CVE-2025-27729 — Use After Free in Microsoft Windows 10 Version 21h2

CWE-416 — Use After Free5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.7%
top 26.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2Microsoft Windows 11 Version 22h2+9 more
Timeline
PublishedApr 8

Description

Use after free in Windows Shell allows an unauthorized attacker to execute code locally.

CVSS vector

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

Affected Packages13 packages

▶NVDmicrosoft/windows< 10.0.26100.3775
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.5737
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.5737
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.5189
▶NVDmicrosoft/windows_11_23h2< 10.0.22631.5189

🔴Vulnerability Details

2
CVEList
Windows Shell Remote Code Execution Vulnerability↗2025-04-08
▶
GHSA
GHSA-9qjc-6fwg-p54r: Use after free in Windows Shell allows an unauthorized attacker to execute code locally↗2025-04-08
▶

📋Vendor Advisories

1
Microsoft
Windows Shell Remote Code Execution Vulnerability↗2025-04-08
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws↗2025-04-08
▶
CVE-2025-27729 — Use After Free in Microsoft | cvebase