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Vulnerability · Published Jul 8, 2025 · Assigned by microsoft

CVE-2025-49667Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity double free in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.6%top 52.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.21073
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.8246
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.7558
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.6093
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.6093
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.5624
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.5624
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.5624
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.4652
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.27820
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.27820
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25573
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25573
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.22676
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.22676
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.8246
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.8246
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.7558
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.7558
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3932
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1732
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.4652
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.4652

Weakness: CWE-415 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References