CVE-2026-21232 — Untrusted Pointer Dereference in Microsoft Windows 11 Version 22h3

CWE-822 — Untrusted Pointer Dereference5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 90.35%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
10
Microsoft Windows 11 Version 22h3Microsoft Windows 11 Version 23h2Microsoft Windows 11 Version 24h2+7 more
Timeline
PublishedFeb 10

Description

Untrusted pointer dereference in Windows HTTP.sys 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 Packages10 packages

▶NVDmicrosoft/windows< 10.0.25398.2149+1
▶NVDmicrosoft/windows_11_23h2< 10.0.22631.6649
▶NVDmicrosoft/windows_11_24h2< 10.0.26100.7781
▶NVDmicrosoft/windows_11_25h2< 10.0.26200.7781
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32370

🔴Vulnerability Details

2
CVEList
Windows HTTP.sys Elevation of Privilege Vulnerability↗2026-02-10
▶
GHSA
GHSA-5gf4-2f6r-6gcj: Untrusted pointer dereference in Windows HTTP↗2026-02-10
▶

📋Vendor Advisories

1
Microsoft
Windows HTTP.sys Elevation of Privilege Vulnerability↗2026-02-10
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-21232 Impact, Exploitability, and Mitigation Steps | Wiz↗
▶
CVE-2026-21232 — Untrusted Pointer Dereference | cvebase