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HIGH · 7.8

CVE-2025-49679

Numeric truncation error in Windows Shell allows an authorized attacker to elevate privileges locally.

Vulnerability Description

Numeric truncation error in Windows Shell allows an authorized attacker to elevate privileges locally.

CVSS Score

7.8

HIGH

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

Affected Products

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.21073
MicrosoftWindows 10 1607< 10.0.14393.8246
MicrosoftWindows 10 1809< 10.0.17763.7558
MicrosoftWindows 10 21H2< 10.0.19044.6093
MicrosoftWindows 10 22H2< 10.0.19045.6093
MicrosoftWindows 11 22H2< 10.0.22621.5624
MicrosoftWindows 11 23H2< 10.0.22631.5624
MicrosoftWindows 11 24H2< 10.0.26100.4652
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.8246
MicrosoftWindows Server 2019< 10.0.17763.7558
MicrosoftWindows Server 2022< 10.0.20348.3932
MicrosoftWindows Server 2022 23H2< 10.0.25398.1732
MicrosoftWindows Server 2025< 10.0.26100.4652

Related Weaknesses (CWE)

CWE-197

References

FAQ

What is CVE-2025-49679?

CVE-2025-49679 is a vulnerability with a CVSS score of 7.8 (HIGH). Numeric truncation error in Windows Shell allows an authorized attacker to elevate privileges locally.

How severe is CVE-2025-49679?

CVE-2025-49679 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-2025-49679?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.