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Vulnerability · Published Nov 11, 2025 · Assigned by microsoft

CVE-2025-60707Multimedia Class Scheduler Service (MMCSS) Driver Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity use-after-free in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.5%top 55.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Use after free in Multimedia Class Scheduler Service (MMCSS) allows an authorized attacker to elevate privileges locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.8027
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.6575
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.6575
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.6199
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.6199
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.7171
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.7171
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.8027
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.8027
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.4405
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1965
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.7171
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.7171

Weakness: CWE-416 · 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