{"id":"CVE-2026-81353","title":"Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.","summary":"Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"vendor":"microsoft","product":"heif_image_extension","affected":["heif_image_extension < 1.2.48.0"],"patched":["heif_image_extension 1.2.48.0"],"published":"2026-09-08","updated":"2026-09-17","sourceUpdated":"2026-09-17T19:03:59.360","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81353","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81353","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00346,"epssPercentile":0.28267,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T20:46:03.380985Z"},"ingestedAt":"2026-09-08T19:08:49.631Z","slug":"CVE-2026-81353","body":"## Overview\n\nHeap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.\n\n## Affected\n\n- `heif_image_extension < 1.2.48.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `heif_image_extension 1.2.48.0`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}