CVE-2026-25178

CWE-416 — Use After Free5 documents5 sources
Severity
7.0HIGH
EPSS
0.0%
top 87.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
29
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+26 more
Timeline
PublishedMar 10

Description

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages29 packages

▶NVDmicrosoft/windows< 10.0.14393.8957+5
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8957
▶NVDmicrosoft/windows_10_1809< 10.0.17763.8511
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.7058
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.7058

🔴Vulnerability Details

2
GHSA
GHSA-cgp9-2j9w-rp5p: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally↗2026-03-10
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CVEList
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability↗2026-03-10
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📋Vendor Advisories

1
Microsoft
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability↗2026-03-10
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🕵️Threat Intelligence

1
Wiz
CVE-2026-25178 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-25178 (HIGH CVSS 7) | Use after free in Windows Ancillary | cvebase.io