What’s Vulnerable › Vulnerabilities
CVE-2026-70351: Microsoft WebP Image Extension Remote Code Execution Vulnerability
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-08 · updated 2026-10-31
- Weakness: CWE-190
Description
Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.
Affected products
- Microsoft WebP Image Extension: before 1.2.31.0 — fixed in 1.2.31.0
- Microsoft WebP Image Extension: from 1.0.0.0 before 1.2.31.0 — fixed in 1.2.31.0
How to fix
Upgrade to a fixed version: Microsoft WebP Image Extension 1.2.31.0; Microsoft WebP Image Extension 1.2.31.0. Check the vendor advisory for mitigations.
References
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