CVE-2026-114152

Microsoft Security Advisory CVE-2026-114152 - Visual Studio Remote Code Execution Vulnerability

Products / packages Microsoft .NET 10.0 installed on Windows · Microsoft .NET 11.0 installed on Windows · Microsoft .NET 8.0 installed on Windows · 5 more

Published 10/11/2026, 18:19:15 UTC

Severity and exploitation

Not in CISA KEVSource: HIGH

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 22:20:30 UTC

OSV · CVSS:3.1 · 8.8

Assessment vector

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

microsoft · CVSS:3.1 · 8.8

Assessment vector

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

The headline uses the highest imported catalog score. Assessments can differ by source and CVSS version.

Severity

high8.8

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

Package fixes recorded

Fix versions are recorded for 3 of 3 mapped packages. Check each release branch and any separate product guidance.

What this means

A vulnerability in .NET affects Microsoft.DiaSymReader.Native versions earlier than 18.9.1-beta1.26515.1 when loading document specifications from a PDB that references an attacker-influenced COFF object. Affected .NET products on Windows include .NET 8.0, 9.0, 10.0, and 11.0. The weakness is a stack-based buffer overflow and untrusted pointer dereference.

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.

18.12.0 → before 18.12.0

custom versions

Other versions: unknown

Packages

Compare each installed version with the publisher’s affected ranges. Where a fix is recorded, choose the appropriate release branch and test compatibility before upgrading.

Microsoft.NETCore.App.Runtime.win-x86 NuGet

Affected range	Recorded fix
From 8.0.0 before 8.0.34Ecosystem versions	8.0.34
From 9.0.0 before 9.0.23Ecosystem versions	9.0.23
From 10.0.0 before 10.0.15Ecosystem versions	10.0.15
From 11.0.0-preview.1 before 11.0.0Ecosystem versions	11.0.0

Version evidence: OSV · GHSA-xf35-v9jh-g65w

View original version evidence (71 explicit versions)

Microsoft.NETCore.App.Runtime.win-x64 NuGet

Affected range	Recorded fix
From 8.0.0 before 8.0.34Ecosystem versions	8.0.34
From 9.0.0 before 9.0.23Ecosystem versions	9.0.23
From 10.0.0 before 10.0.15Ecosystem versions	10.0.15
From 11.0.0-preview.1 before 11.0.0Ecosystem versions	11.0.0

Version evidence: OSV · GHSA-xf35-v9jh-g65w

View original version evidence (71 explicit versions)

Microsoft.NETCore.App.Runtime.win-arm64 NuGet

Affected range	Recorded fix
From 8.0.0 before 8.0.34Ecosystem versions	8.0.34
From 9.0.0 before 9.0.23Ecosystem versions	9.0.23
From 10.0.0 before 10.0.15Ecosystem versions	10.0.15
From 11.0.0-preview.1 before 11.0.0Ecosystem versions	11.0.0

Version evidence: OSV · GHSA-xf35-v9jh-g65w

View original version evidence (71 explicit versions)

What to do

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

Use the recorded fix for your release branch. Review the publisher’s instructions and test compatibility before upgrading.

Update affected .NET installations and each installed SDK feature band to the versions listed above or later.

OSV guidance ↗

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

Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET. This advisory provides guidance on updating affected applications and components.

Attacker-controlled COFF relocation offsets can cause an out-of-bounds stack write in DiaObjectFile::ApplyFixup.

CVSS Details

Version: 3.1
Severity: High
Score: 8.8 (base score)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weakness: CWE-121, CWE-822

Affected Platforms

Platforms: Windows
Architectures: x86, x64, Arm64

<a name="affected-packages"></a>Affected Packages

Microsoft.DiaSymReader.Native versions earlier than 18.9.1-beta1.26515.1 are affected when loading document specifications from a PDB that references an attacker-influenced COFF object.

.NET on Windows

Product	Affected version	Patched version
.NET 8.0 installed on Windows	>= 8.0.0, < 8.0.34	8.0.34
.NET 9.0 installed on Windows	>= 9.0.0, < 9.0.23	9.0.23
.NET 10.0 installed on Windows	>= 10.0.0, < 10.0.15	10.0.15
.NET 11.0 installed on Windows	>= 11.0.0-preview.1, < 11.0.0	11.0.0

Windows self-contained runtime packs

These runtime packs deliver the .NET runtime for Windows self-contained applications.

Package	Affected version	Patched version
Microsoft.NETCore.App.Runtime.win-x86	>= 8.0.0, < 8.0.34	8.0.34
Microsoft.NETCore.App.Runtime.win-x64	>= 8.0.0, < 8.0.34	8.0.34
Microsoft.NETCore.App.Runtime.win-arm64	>= 8.0.0, < 8.0.34	8.0.34
Microsoft.NETCore.App.Runtime.win-x86	>= 9.0.0, < 9.0.23	9.0.23
Microsoft.NETCore.App.Runtime.win-x64	>= 9.0.0, < 9.0.23	9.0.23
Microsoft.NETCore.App.Runtime.win-arm64	>= 9.0.0, < 9.0.23	9.0.23
Microsoft.NETCore.App.Runtime.win-x86	>= 10.0.0, < 10.0.15	10.0.15
Microsoft.NETCore.App.Runtime.win-x64	>= 10.0.0, < 10.0.15	10.0.15
Microsoft.NETCore.App.Runtime.win-arm64	>= 10.0.0, < 10.0.15	10.0.15
Microsoft.NETCore.App.Runtime.win-x86	>= 11.0.0-preview.1, < 11.0.0	11.0.0
Microsoft.NETCore.App.Runtime.win-x64	>= 11.0.0-preview.1, < 11.0.0	11.0.0
Microsoft.NETCore.App.Runtime.win-arm64	>= 11.0.0-preview.1, < 11.0.0	11.0.0

Windows SDK distributions

These Windows SDK distributions are affected through their bundled .NET runtime.

Product	Affected version	Patched version
.NET SDK 8.0.1xx	>= 8.0.100-0, < 8.0.134	8.0.134
.NET SDK 8.0.4xx	>= 8.0.400-0, < 8.0.428	8.0.428
.NET SDK 9.0.1xx	>= 9.0.100-0, < 9.0.124	9.0.124
.NET SDK 9.0.3xx	>= 9.0.300-0, < 9.0.321	9.0.321
.NET SDK 10.0.1xx	>= 10.0.100-0, < 10.0.115	10.0.115
.NET SDK 10.0.4xx	>= 10.0.400-0, < 10.0.404	10.0.404
.NET SDK 11.0.1xx	>= 11.0.100-preview.1, < 11.0.100	11.0.100

Windows SDK updates

Update each installed SDK feature band to the following version or later:

.NET SDK 8.0.1xx: 8.0.134
.NET SDK 8.0.4xx: 8.0.428
.NET SDK 9.0.1xx: 9.0.124
.NET SDK 9.0.3xx: 9.0.321
.NET SDK 10.0.1xx: 10.0.115
.NET SDK 10.0.4xx: 10.0.404
.NET SDK 11.0.1xx: 11.0.100

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

Applications using Microsoft.DiaSymReader.Native versions earlier than 18.9.1-beta1.26515.1 to load document specifications from a PDB that references an attacker-influenced COFF object are exposed on x86, x64, and Arm64. The SDK distributions listed above are affected through their bundled .NET runtime. See [affected packages](#affected-packages) for the affected .NET products on Windows.

<a name="how-fix"></a>How do I fix the issue?

Update affected .NET installations and each installed SDK feature band to the versions listed above or later. If an SDK was installed through Visual Studio, update Visual Studio as well.

Microsoft.DiaSymReader.Native is delivered through .NET Core rather than as a standalone customer NuGet update. For applications that deploy their own affected .NET runtime, including self-contained applications, update the runtime used to build the application, rebuild, and redeploy. Updating a machine-wide runtime does not replace an application's embedded runtime. Restart processes that have loaded the affected native reader.

Other Information

Reporting Security Issues

If you have found a potential security issue in a supported version of .NET, please report it to the Microsoft Security Response Center (MSRC) via the MSRC Researcher Portal. Further information can be found in the MSRC Report an Issue FAQ.

Security reports made through MSRC may qualify for the Microsoft .NET Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at https://aka.ms/corebounty.

Announcement

https://github.com/dotnet/announcements/issues/523

Support

You can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.

Disclaimer

The information provided in this advisory is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

External Links

CVE-2026-114152

Acknowledgements

C0rk1
41ae55e9310ff27fa6f26af4727e5590

Revisions

V1.0 (November 10, 2026): Advisory published.

References

15 sources

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114152

Vendor advisorymicrosoft

dotnet/runtime · security/advisories/GHSA-xf35-v9jh-g65w

Security advisory

nvd.nist.gov/vuln/detail/CVE-2026-114152

Security advisory

dotnet/announcements · issues/498

Source reference

dotnet/announcements · issues/523

Source reference

dotnet/runtime · issues/137280

Source reference

View 9 more references

dotnet/core · 10.0.15.md

Release notes

dotnet/core · 11.0.0.md

Release notes

dotnet/core · 8.0.34.md

Release notes

dotnet/core · 9.0.23.md

Release notes

dotnet/runtime · repository

Source reference

dotnet/runtime · releases/tag/v10.0.15

Release notes

dotnet/runtime · releases/tag/v11.0.0

Release notes

dotnet/runtime · releases/tag/v8.0.34

Release notes

dotnet/runtime · releases/tag/v9.0.23

Release notes

Inside the record

Evidence available

Package identity

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-2026-114152

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-121 ↗

CWE-121: Stack-based Buffer Overflow

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:a:microsoft:.net_8.0_installed_on_windows:*:*:*:*:*:*:*:*

From (inclusive): 8.0.0

After:

Through (inclusive):

Before: 8.0.34

Vulnerable product

cpe:2.3:a:microsoft:.net_9.0_installed_on_windows:*:*:*:*:*:*:*:*

From (inclusive): 9.0.0

After:

Through (inclusive):

Before: 9.0.23

Vulnerable product

cpe:2.3:a:microsoft:.net_10.0_installed_on_windows:*:*:*:*:*:*:*:*

From (inclusive): 10.0.0

After:

Through (inclusive):

Before: 10.0.15

Vulnerable product

cpe:2.3:a:microsoft:.net_11.0_installed_on_windows:*:*:*:*:*:*:*:*

From (inclusive): 11.0.0-preview.1

After:

Through (inclusive):

Before: 11.0.0

Vulnerable product

cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.12:*:*:*:*:*:*:*:*

From (inclusive): 18.12.0

After:

Through (inclusive):

Before: 18.12.0

Applicability preview

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        "negate": false,
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            "vulnerable": true,
            "criteria": "cpe:2.3:a:microsoft:.net_8.0_installed_on_windows:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "8.0.0",
            "versionEndExcluding": "8.0.34"
          },
          {
            "vulnerable": true,
            "criteria": "cpe:2.3:a:microsoft:.net_9.0_installed_on_windows:*:*:*:*:*:*:*:*",
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          },
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            "criteria": "cpe:2.3:a:microsoft:.net_10.0_installed_on_windows:*:*:*:*:*:*:*:*",
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          },
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            "criteria": "cpe:2.3:a:microsoft:.net_11.0_installed_on_windows:*:*:*:*:*:*:*:*",
            "versionStartIncluding": "11.0.0-preview.1",
            "versionEndExcluding": "11.0.0"
          },
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Contributing organizations · 2

microsoft

Assigning organization

2026-11-13

CISA-ADP

Additional data publisher

2026-11-10

Timeline

All times UTC

10 Nov 2026, 18:19
Advisory published
Publication date supplied by the source.
13 Nov 2026, 18:08
Source updated
Latest modification date supplied by the source.
13 Nov 2026, 19:15
Last imported by cve.new
Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes

No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

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

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 · 2026-11-10

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: GHSA-xf35-v9jh-g65w

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 ↗

OSV GHSA-xf35-v9jh-g65w CVE CVE-2026-114152

Enrichment coverage

NVDAvailable

Checked 11/11/2026, 07:40:36 UTC

GHSAAvailable

Checked 11/11/2026, 07:40:37 UTC

EUVDAvailable

Checked 11/11/2026, 07:40:37 UTC

EPSSNo result

Checked 11/11/2026, 07:40:36 UTC

Additional source evidence

NVD · CVE-2026-114152

CVSS 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Checked 11/11/2026, 07:40:36 UTC

ENISA EUVD · EUVD-2026-121976

CVSS 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Checked 11/11/2026, 07:40:37 UTC

GitHub Advisory Database · GHSA-xf35-v9jh-g65w

CVSS 7.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Checked 11/11/2026, 07:40:37 UTC

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

Microsoft Security Advisory CVE-2026-114152 - Visual Studio Remote Code Execution Vulnerability

Severity and exploitation

What this means

Attack conditions

Affected versions

.NET 10.0 installed on Windows

affected

unaffected

unknown

.NET 11.0 installed on Windows

affected

unaffected

unknown

.NET 8.0 installed on Windows

affected

unaffected

unknown

.NET 9.0 installed on Windows

affected

unaffected

unknown

Microsoft Visual Studio 2026 version 18.12

affected

unaffected

unknown

Packages

What to do

Public exploit evidence

Original source description

Executive summary

CVSS Details

Affected Platforms

<a name="affected-packages"></a>Affected Packages

.NET on Windows

Windows self-contained runtime packs

Windows SDK distributions

Windows SDK updates

Advisory FAQ

<a name="how-affected"></a>How do I know if I am affected?

<a name="how-fix"></a>How do I fix the issue?

Other Information

Reporting Security Issues

Announcement

Support

Disclaimer

External Links

Acknowledgements

Revisions

References

Inside the record

Evidence available

Original records

Underlying weaknesses

Environment requirements

Timeline

Advisory published

Source updated

Last imported by cve.new

What changed