CVE-2026-54132 json
Windows Kernel Elevation of Privilege Vulnerability
published 2026-07-14 3 mo ago modified 2026-11-01 8 d ago also EUVD-2026-44006
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.
Patch / fix
- Microsoft Windows 10 Version 1607 10.0.14393.9339
- Microsoft Windows 10 Version 1809 10.0.17763.9020
- Microsoft Windows 10 Version 21H2 10.0.19044.7548
- Microsoft Windows 10 Version 22H2 10.0.19045.7548
- Microsoft Windows 11 Version 24H2 10.0.26100.8875
- Microsoft Windows 11 Version 25H2 10.0.26200.8875
- Microsoft Windows 11 version 26H1 10.0.28000.2525
- Microsoft Windows Server 2016 10.0.14393.9339
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.9339
- Microsoft Windows Server 2019 10.0.17763.9020
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.9020
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3 mo ago
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows 11 version 26H1
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-54132
vendor-advisory, patch
Sources
- CVE List CVE-2026-54132
- NVD CVE-2026-54132
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