{"id":"CVE-2026-70351","title":"Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.","summary":"Integer overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-122","CWE-190"],"vendor":"microsoft","product":"webp_image_extension","affected":["webp_image_extension < 1.2.31.0"],"patched":["webp_image_extension 1.2.31.0"],"published":"2026-09-08","updated":"2026-09-29","sourceUpdated":"2026-09-29T19:47:02.153","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70351","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70351","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-09T18:19:09.759400Z"},"epss":0.00819,"epssPercentile":0.57007,"ingestedAt":"2026-09-08T19:08:49.622Z","slug":"CVE-2026-70351","body":"## Overview\n\nInteger overflow or wraparound in Microsoft WebP Image Extension allows an unauthorized attacker to execute code over a network.\n\n## Affected\n\n- `webp_image_extension < 1.2.31.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `webp_image_extension 1.2.31.0`","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}