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Description

Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.

PUBLISHED Reserved 2026-06-11 | Published 2026-07-14 | Updated 2026-07-14 | Assigner microsoft




MEDIUM: 6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-122: Heap-based Buffer Overflow

Product status

10.0.14393.0 (custom) before 10.0.14393.9339
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.19044.0 (custom) before 10.0.19044.7548
affected

10.0.19045.0 (custom) before 10.0.19045.7548
affected

10.0.26100.0 (custom) before 10.0.26100.8875
affected

10.0.26200.0 (custom) before 10.0.26200.8875
affected

10.0.28000.0 (custom) before 10.0.28000.2269
affected

10.0.14393.0 (custom) before 10.0.14393.9339
affected

10.0.14393.0 (custom) before 10.0.14393.9339
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54132 (Windows Kernel Elevation of Privilege Vulnerability) vendor-advisory patch

cve.org (CVE-2026-54132)

nvd.nist.gov (CVE-2026-54132)

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