CVE-2026-24293

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
7.8HIGH
EPSS
0.1%
top 82.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
17
Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2Microsoft Windows 11 Version 22h3+14 more
Timeline
PublishedMar 10

Description

Null pointer dereference in Windows Ancillary Function Driver for WinSock 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 Packages17 packages

▶NVDmicrosoft/windows< 10.0.20348.4830+2
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.7058
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.7058
▶NVDmicrosoft/windows_11_23h2< 10.0.22631.6783
▶NVDmicrosoft/windows_11_24h2< 10.0.26100.7979

🔴Vulnerability Details

2
GHSA
GHSA-p66w-qxrc-77m9: Null pointer dereference 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-2026-24293 Impact, Exploitability, and Mitigation Steps | Wiz↗
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