CVE-2025-50168 — Heap-based Buffer Overflow in Microsoft Windows 11 Version 22h2

CWE-122 — Heap-based Buffer OverflowCWE-843 — Type Confusion5 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.2%
top 59.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Microsoft Windows 11 Version 22h2Microsoft Windows 11 Version 22h3Microsoft Windows 11 Version 23h2+6 more
Timeline
PublishedAug 12

Description

Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages9 packages

▶NVDmicrosoft/windows< 10.0.25398.1791+1
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5768
▶NVDmicrosoft/windows_11_23h2< 10.0.22631.5768
▶NVDmicrosoft/windows_11_24h2< 10.0.26100.4851
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.4946

🔴Vulnerability Details

2
GHSA
GHSA-xfmm-x85m-hhmr: Access of resource using incompatible type ('type confusion') in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally↗2025-08-12
▶
CVEList
Win32k Elevation of Privilege Vulnerability↗2025-08-12
▶

📋Vendor Advisories

2
Microsoft
Win32k Elevation of Privilege Vulnerability↗2025-08-12
▶
Microsoft
net/sun3_82586: fix potential memory leak in sun3_82586_send_packet()↗2024-11-12
▶
CVE-2025-50168 — Heap-based Buffer Overflow | cvebase