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CVE-2026-54986

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CVSS 3.1
7.8 high
EPSS
<1%p26
Published
()
Modified
Description

Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.

Vendors
microsoft
Products
windows 10 1607, windows 10 1809, windows 10 21h2, windows 10 22h2, windows 11 24h2, windows 11 25h2, windows 11 26h1, windows server 2016, windows server 2019, windows server 2022, windows server 2025
Weakness
CWE-122
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.3%)

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