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Microsoft Security Response CenterCVE-2026-81353

HEIF Image Extensions Remote Code Execution Vulnerability

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.

Read the vendor bulletin Get alerts for HEIF Image Extension
7.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • HEIF Image Extension

Versions the vendor lists as fixed

  • 1.2.48.0
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-81353View CVSS, KEV, EPSS, and threat context
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