Vulnerability · Published Jul 14, 2026 · Assigned by microsoft

CVE-2026-57094Microsoft Windows Media Foundation Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity heap buffer overflow in Windows 10 Version 1607 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 42.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.9339
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.9020
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.7548
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.7548
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.8875
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.8875
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.2525
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.9339
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.9339
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.9020
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.9020
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.5386
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.33158
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.33158

Weakness: CWE-122, CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References