CVE-2026-96008

Windows Installer Elevation of Privilege Vulnerability

Products / packages Microsoft Windows 10 Version 1607 · Microsoft Windows 10 Version 1809 · Microsoft Windows 10 Version 21H2 · 18 more

Published 10/11/2026, 18:16:14 UTC

Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 21:00:34 UTC

microsoft · CVSS:3.1 · 7

Assessment vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Severity

high7.0

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

A use-after-free vulnerability in Windows Installer allows an authorized attacker to elevate privileges locally on affected Windows versions, including Windows 10 and Windows Server 2012. The vulnerability requires local access.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Microsoft · microsoft

Windows 10 Version 1607

1 range

microsoft version evidence

Platforms: 32-bit Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.14393.0 → before 10.0.14393.9612

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 10 Version 1809

1 range

microsoft version evidence

Platforms: 32-bit Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.17763.0 → before 10.0.17763.9376

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 10 Version 21H2

1 range

microsoft version evidence

Platforms: 32-bit Systems, ARM64-based Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.19044.0 → before 10.0.19044.7807

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 10 Version 22H2

1 range

microsoft version evidence

Platforms: 32-bit Systems, ARM64-based Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.19045.0 → before 10.0.19045.7807

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 11 version 23H2

1 range

microsoft version evidence

Platforms: ARM64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.22631.0 → before 10.0.22631.7652

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 11 Version 23H2

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.22631.0 → before 10.0.22631.7652

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 11 Version 24H2

1 range

microsoft version evidence

Platforms: ARM64-based Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.26100.0 → before 10.0.26100.9711

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 11 Version 25H2

1 range

microsoft version evidence

Platforms: ARM64-based Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.26200.0 → before 10.0.26200.9711

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 11 version 26H1

1 range

microsoft version evidence

Platforms: ARM64-based Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.28000.0 → before 10.0.28000.3231

custom versions

Other versions: unknown

Microsoft · microsoft

Windows 11 Version 26H2

1 range

microsoft version evidence

Platforms: ARM64-based Systems, x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.26300.0 → before 10.0.26300.9711

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2012

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

6.2.9200.0 → before 6.2.9200.26434

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2012 (Server Core installation)

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

6.2.9200.0 → before 6.2.9200.26434

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2012 R2

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

6.3.9600.0 → before 6.3.9600.23470

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2012 R2 (Server Core installation)

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

6.3.9600.0 → before 6.3.9600.23470

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2016

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.14393.0 → before 10.0.14393.9612

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2016 (Server Core installation)

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.14393.0 → before 10.0.14393.9612

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2019

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.17763.0 → before 10.0.17763.9376

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2019 (Server Core installation)

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.17763.0 → before 10.0.17763.9376

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2022

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.20348.0 → before 10.0.20348.5761

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2025

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.26100.0 → before 10.0.26100.33650

custom versions

Other versions: unknown

Microsoft · microsoft

Windows Server 2025 (Server Core installation)

1 range

microsoft version evidence

Platforms: x64-based Systems

Check a product version

Compare with this publisher’s ranges. This does not inspect your installation.

affected

10.0.26100.0 → before 10.0.26100.33650

custom versions

Other versions: unknown

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.

References

1 sources

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96008

Vendor advisorymicrosoft

Inside the record

Evidence available

Package identity · not supplied

Version evidence

Remediation guidance · not supplied

Weakness classification

Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-96008

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-416 ↗

CWE-416: Use After Free

microsoft

CWE-822 ↗

CWE-822: Untrusted Pointer Dereference

microsoft

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

microsoft · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*

From (inclusive): 6.2.9200.0

After:

Through (inclusive):

Before: 6.2.9200.26434

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*

From (inclusive): 6.2.9200.0

After:

Through (inclusive):

Before: 6.2.9200.26434

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*

From (inclusive): 6.3.9600.0

After:

Through (inclusive):

Before: 6.3.9600.23470

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*

From (inclusive): 6.3.9600.0

After:

Through (inclusive):

Before: 6.3.9600.23470

Vulnerable product

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*

From (inclusive): 10.0.14393.0

After:

Through (inclusive):

Before: 10.0.14393.9612

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

From (inclusive): 10.0.14393.0

After:

Through (inclusive):

Before: 10.0.14393.9612

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

From (inclusive): 10.0.14393.0

After:

Through (inclusive):

Before: 10.0.14393.9612

Vulnerable product

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*

From (inclusive): 10.0.17763.0

After:

Through (inclusive):

Before: 10.0.17763.9376

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

From (inclusive): 10.0.17763.0

After:

Through (inclusive):

Before: 10.0.17763.9376

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

From (inclusive): 10.0.17763.0

After:

Through (inclusive):

Before: 10.0.17763.9376

Vulnerable product

cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*

From (inclusive): 10.0.19044.0

After:

Through (inclusive):

Before: 10.0.19044.7807

Vulnerable product

cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x86:*

From (inclusive): 10.0.19045.0

After:

Through (inclusive):

Before: 10.0.19045.7807

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*

From (inclusive): 10.0.20348.0

After:

Through (inclusive):

Before: 10.0.20348.5761

Vulnerable product

cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*

From (inclusive): 10.0.22631.0

After:

Through (inclusive):

Before: 10.0.22631.7652

Vulnerable product

cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*

From (inclusive): 10.0.22631.0

After:

Through (inclusive):

Before: 10.0.22631.7652

Vulnerable product

cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:x64:*

From (inclusive): 10.0.26100.0

After:

Through (inclusive):

Before: 10.0.26100.9711

Vulnerable product

cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:x64:*

From (inclusive): 10.0.26200.0

After:

Through (inclusive):

Before: 10.0.26200.9711

Vulnerable product

cpe:2.3:a:microsoft:windows_11_version_26h2_for_x64-based_systems:*:*:*:*:*:*:*:*

From (inclusive): 10.0.26300.0

After:

Through (inclusive):

Before: 10.0.26300.9711

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

From (inclusive): 10.0.26100.0

After:

Through (inclusive):

Before: 10.0.26100.33650

Vulnerable product

cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

From (inclusive): 10.0.26100.0

After:

Through (inclusive):

Before: 10.0.26100.33650

Vulnerable product

cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*

From (inclusive): 10.0.28000.0

After:

Through (inclusive):

Before: 10.0.28000.3231

Applicability preview

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    "nodes": [
      {
        "operator": "OR",
        "negate": false,
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            "vulnerable": true,
            "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*",
            "versionStartIncluding": "6.2.9200.0",
            "versionEndExcluding": "6.2.9200.26434"
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            "vulnerable": true,
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            "versionEndExcluding": "10.0.19044.7807"
          },
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x86:*",
            "versionStartIncluding": "10.0.19045.0",
            "versionEndExcluding": "10.0.19045.7807"
          },
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            "vulnerable": true,
            "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "10.0.20348.0",
            "versionEndExcluding": "10.0.20348.5761"
          },
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*",
            "versionStartIncluding": "10.0.22631.0",
            "versionEndExcluding": "10.0.22631.7652"
          },
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*",
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            "vulnerable": true,
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            "versionStartIncluding": "10.0.26100.0",
            "versionEndExcluding": "10.0.26100.9711"
          },
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            "vulnerable": true,
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            "versionStartIncluding": "10.0.26200.0",
            "versionEndExcluding": "10.0.26200.9711"
          },
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            "vulnerable": true,
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Contributing organizations · 2

microsoft

Assigning organization

2026-11-13

CISA-ADP

Additional data publisher

2026-11-11

Timeline

All times UTC

10 Nov 2026, 18:16
Advisory published
Publication date supplied by the source.
13 Nov 2026, 18:05
Source updated
Latest modification date supplied by the source.
13 Nov 2026, 18:46
Last imported by cve.new
Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes

CVE · CVE-2026-960082026-11-11

Observed 2026-11-11T01:02:37.781Z · upstream updated 2026-11-11T00:42:32.459Z

Prioritization updated

before

[]

after

[
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-11-11T00:29:14.686436Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

Reading the signals

Severity · CVSS: Technical impact and attack conditions. The headline is the highest imported catalog score; sources may disagree.
Observed exploitation · KEV: An absent or unavailable KEV listing does not establish that exploitation has not occurred.
Predicted exploitation · EPSS: No EPSS estimate available in this record.

CISA-ADP · SSVC

CISA Coordinator · 2026-11-11

Exploitation: none
Automatable: no
Technical Impact: total

SSVC describes the publisher’s decision context. Your organization’s exposure and priorities may differ.

Record identifiers

Aliases: None recorded

Source evidence

Request a correction or dispute

Start with the assigning organization for this record. Include the CVE ID, the disputed information, and supporting evidence. A dispute does not itself reject a record.

Find the responsible CNA →Official dispute and escalation process ↗

CVE CVE-2026-96008

Enrichment coverage

NVDAvailable

Checked 11/11/2026, 09:50:37 UTC

GHSAAvailable

Checked 11/11/2026, 09:50:38 UTC

EUVDAvailable

Checked 11/11/2026, 09:50:37 UTC

EPSSNo result

Checked 11/11/2026, 09:50:37 UTC

Additional source evidence

NVD · CVE-2026-96008

CVSS 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Checked 11/11/2026, 09:50:37 UTC

ENISA EUVD · EUVD-2026-121456

CVSS 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Checked 11/11/2026, 09:50:37 UTC

GitHub Advisory Database · GHSA-xj66-g67m-qgw3

CVSS 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Checked 11/11/2026, 09:50:38 UTC

Sponsored by MoxsoBuild security habits with adaptive training and phishing simulations.View as JSON

Windows Installer Elevation of Privilege Vulnerability

Severity and exploitation

What this means

Attack conditions

Affected versions

Windows 10 Version 1607

affected

unaffected

unknown

Windows 10 Version 1809

affected

unaffected

unknown

Windows 10 Version 21H2

affected

unaffected

unknown

Windows 10 Version 22H2

affected

unaffected

unknown

Windows 11 version 23H2

affected

unaffected

unknown

Windows 11 Version 23H2

affected

unaffected

unknown

Windows 11 Version 24H2

affected

unaffected

unknown

Windows 11 Version 25H2

affected

unaffected

unknown

Windows 11 version 26H1

affected

unaffected

unknown

Windows 11 Version 26H2

affected

unaffected

unknown

Windows Server 2012

affected

unaffected

unknown

Windows Server 2012 (Server Core installation)

affected

unaffected

unknown

Windows Server 2012 R2

affected

unaffected

unknown

Windows Server 2012 R2 (Server Core installation)

affected

unaffected

unknown

Windows Server 2016

affected

unaffected

unknown

Windows Server 2016 (Server Core installation)

affected

unaffected

unknown

Windows Server 2019

affected

unaffected

unknown

Windows Server 2019 (Server Core installation)

affected

unaffected

unknown

Windows Server 2022

affected

unaffected