Vulnerability · Published Apr 8, 2025 · Assigned by microsoft
CVE-2025-27729Windows Shell Remote Code Execution Vulnerability
High 7.8
In plain English
A high-severity use-after-free in Windows 10 Version 21H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.8%top 42.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Use after free in Windows Shell allows an unauthorized attacker to execute code locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 – before 10.0.19044.5737 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – before 10.0.19045.5737 |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 – before 10.0.22621.5189 |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 – before 10.0.22631.5189 |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 – before 10.0.22631.5189 |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 – before 10.0.26100.3775 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – before 10.0.26100.3775 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – before 10.0.26100.3775 |
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Shell Remote Code Execution Vulnerability vendor-advisory, patch