Windows PCI Bus Driver Elevation of Privilege Vulnerability
Products / packages Microsoft Windows 10 Version 21H2 · Microsoft Windows 10 Version 22H2 · Microsoft Windows 11 version 23H2 · 8 more
Published
Severity and exploitation
KEV coverage does not rule out exploitation.
Assessment vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSeverity
medium6.4CVSS 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 the Windows PCI Bus Driver allows an attacker to elevate privileges with physical access. Affected versions include Windows 10 21H2, 22H2, and Windows 11 versions 23H2, 24H2, 25H2, and 26H1, as well as Windows Server 2022 and 2025.
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 21H2
1 range
Microsoft · microsoft
Windows 10 Version 21H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.19044.0 → before 10.0.19044.7846
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 10 Version 22H2
1 range
Microsoft · microsoft
Windows 10 Version 22H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.19045.0 → before 10.0.19045.7846
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 11 version 23H2
1 range
Microsoft · microsoft
Windows 11 version 23H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.22631.0 → before 10.0.22631.7711
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 11 Version 23H2
1 range
Microsoft · microsoft
Windows 11 Version 23H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.22631.0 → before 10.0.22631.7711
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 11 Version 24H2
1 range
Microsoft · microsoft
Windows 11 Version 24H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.26100.0 → before 10.0.26100.9974
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 11 Version 25H2
1 range
Microsoft · microsoft
Windows 11 Version 25H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.26200.0 → before 10.0.26200.9974
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 11 version 26H1
1 range
Microsoft · microsoft
Windows 11 version 26H1
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.28000.0 → before 10.0.28000.3501
custom versions
Other versions: unknown
Microsoft · microsoft
Windows 11 Version 26H2
1 range
Microsoft · microsoft
Windows 11 Version 26H2
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.26300.0 → before 10.0.26300.9974
custom versions
Other versions: unknown
Microsoft · microsoft
Windows Server 2022
1 range
Microsoft · microsoft
Windows Server 2022
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.20348.0 → before 10.0.20348.5870
custom versions
Other versions: unknown
Microsoft · microsoft
Windows Server 2025
1 range
Microsoft · microsoft
Windows Server 2025
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.26100.0 → before 10.0.26100.33822
custom versions
Other versions: unknown
Microsoft · microsoft
Windows Server 2025 (Server Core installation)
1 range
Microsoft · microsoft
Windows Server 2025 (Server Core installation)
Compare with this publisher’s ranges. This does not inspect your installation.
affected
10.0.26100.0 → before 10.0.26100.33822
custom versions
Other versions: unknown
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 PCI Bus Driver allows an unauthorized attacker to elevate privileges with a physical attack.
References
1 sourcesInside the record
Evidence available
Describes the evidence in this view, not whether the product is safe.
Original records
CVE-2026-96992View 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.
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_10_21H2:*:*:*:*:*:*:x86:*From (inclusive): 10.0.19044.0
Before: 10.0.19044.7846
Vulnerable product
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x86:*From (inclusive): 10.0.19045.0
Before: 10.0.19045.7846
Vulnerable product
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*From (inclusive): 10.0.20348.0
Before: 10.0.20348.5870
Vulnerable product
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*From (inclusive): 10.0.22631.0
Before: 10.0.22631.7711
Vulnerable product
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*From (inclusive): 10.0.22631.0
Before: 10.0.22631.7711
Vulnerable product
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*From (inclusive): 10.0.26100.0
Before: 10.0.26100.9974
Vulnerable product
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*From (inclusive): 10.0.26200.0
Before: 10.0.26200.9974
Vulnerable product
cpe:2.3:a:microsoft:windows_11_version_26h2_for_arm64-based_systems:*:*:*:*:*:*:*:*From (inclusive): 10.0.26300.0
Before: 10.0.26300.9974
Vulnerable product
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*From (inclusive): 10.0.26100.0
Before: 10.0.26100.33822
Vulnerable product
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*From (inclusive): 10.0.26100.0
Before: 10.0.26100.33822
Vulnerable product
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*From (inclusive): 10.0.28000.0
Before: 10.0.28000.3501
Applicability preview
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]Contributing organizations · 2
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Timeline
All times UTCAdvisory published
Publication date supplied by the source.
Source updated
Latest modification date supplied by the source.
Last imported by cve.new
Latest catalog import, not the date we first saw this advisory.
What changed
Follow changesLarge field values are marked as truncated previews. Original source snapshots remain retained.