What’s Vulnerable › Vulnerabilities

CVE-2020-17101: HEIF Image Extensions Remote Code Execution Vulnerability

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-11 · updated 2026-06-17

Description

HEIF Image Extensions Remote Code Execution Vulnerability

Affected products

• Microsoft HEIF Image Extension: before 1.0.32532.0 — fixed in 1.0.32532.0
• Microsoft HEIF Image Extension: all versions

How to fix

Upgrade to a fixed version: Microsoft HEIF Image Extension 1.0.32532.0. Check the vendor advisory for mitigations.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17101
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17101

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