1. Home
  2. CVE Database
  3. CVE-2025-27729
HIGH · 7.8

CVE-2025-27729

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

Vulnerability Description

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

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 21H2< 10.0.19044.5737
MicrosoftWindows 10 22H2< 10.0.19045.5737
MicrosoftWindows 11 22H2< 10.0.22621.5189
MicrosoftWindows 11 23H2< 10.0.22631.5189
MicrosoftWindows 11 24H2< 10.0.26100.3775
MicrosoftWindows Server 2025< 10.0.26100.3775

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2025-27729?

CVE-2025-27729 is a vulnerability with a CVSS score of 7.8 (HIGH). Use after free in Windows Shell allows an unauthorized attacker to execute code locally.

How severe is CVE-2025-27729?

CVE-2025-27729 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-27729?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 22H2, Microsoft Windows 11 23H2, Microsoft Windows 11 24H2.