CVE-2025-27729

EUVD-2025-10156
Use after free in Windows Shell allows an unauthorized attacker to execute code locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
microsoftCNA
7.8 HIGH
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
Affected Products (NVD)
VendorProductVersion
microsoftwindows_10_21h2
𝑥
< 10.0.19044.5737
microsoftwindows_10_22h2
𝑥
< 10.0.19045.5737
microsoftwindows_11_22h2
𝑥
< 10.0.22621.5189
microsoftwindows_11_23h2
𝑥
< 10.0.22631.5189
microsoftwindows_11_24h2
𝑥
< 10.0.26100.3775
microsoftwindows_server_2025
𝑥
< 10.0.26100.3775
𝑥
= Vulnerable software versions
Windows Releases
Platform
Version
Windows 10
21H2 (arm64, x64, x86)
KB5055518
22H2 (arm64, x64, x86)
KB5055518
Windows 11
22H2 (arm64, x64)
KB5055528
23H2 (arm64, x64)
KB5055528
24H2 (arm64, x64)
KB5055523
Windows Server 2025
Server Core
KB5055523
Standard
KB5055523
Common Weakness Enumeration
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27729