Back to CVE records
High 8.8Published Sep 8, 2026
CVE-2026-70351Microsoft WebP Image Extension Remote Code Execution Vulnerability
Updated under an hour ago ()
Does this affect you?
It affects Microsoft WebP Image Extension. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weakness (CWE)
- CWE-190, CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft WebP Image Extension microsoft:webp_image_extension (from the name) | from 1.0.0.0 before 1.2.31.0 | CNA record |
microsoft webp_image_extension microsoft:webp_image_extension | before 1.2.31.0 | NVD |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70351vendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.