CVE-2026-70351
Microsoft WebP Image Extension Remote Code Execution vulnerability
MSRC advisory September 8, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-70351
- Affected products
- Microsoft WebP Image Extension Remote Code Execution · Microsoft Microsoft WebP Image Extension Remote Code Execution · Microsoft
What happened
Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.
What it means for your business
Microsoft WebP Image Extension Remote Code Execution vulnerability (CVE-2026-70351) was added to Microsoft’s security update guidance. Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Sources
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