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CVE-2026-62744

Last refreshed2026-10-10

Status: UPDATED  |  Advisory ID: CVE-2026-62744

Key Details

CVECVE-2026-62744
CVSS Score / Version8.8 (High) / CVSS v3.1
Updated2026-09-28
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is required; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsMicrosoft Windows 11 (version 24H2), Microsoft Windows 11 (version 25H2), Microsoft Windows 11 (version 26H1), and Microsoft Windows Server 2025
Classified asCWE-122 (Heap-based Buffer Overflow)

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftWindows 11 (version 24H2)
MicrosoftWindows 11 (version 25H2)
MicrosoftWindows 11 (version 26H1)
MicrosoftWindows Server 2025
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

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

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-62744
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-62744
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62744