{"id":"CVE-2026-81955","title":"Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.","summary":"Heap-based buffer overflow in Microsoft Graphics Component 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"],"vendor":"Microsoft","product":"Microsoft 365 Apps for Enterprise","affected":["365_apps_for_enterprise >= 16.0.1 < 16.0.20326.20138","office_2016 >= 16.0.0 < 16.0.5569.1003","office_2019 >= 19.0.0 < 16.0.10417.20207","office_365_for_mac >= 1.0.0 < 16.113.26091433","office_ltsc_2021 >= 16.0.1 < 16.0.14334.20906","office_ltsc_2024 >= 16.0.0 < 16.0.17932.20976","office_ltsc_for_mac_2021 >= 16.0.1 < 16.113.26091433","office_ltsc_for_mac_2024 >= 16.0.0 < 16.113.26091433","windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9504","windows_10_version_1809 >= 10.0.17763.0 < 10.0.17763.9245","windows_10_version_21h2 >= 10.0.19044.0 < 10.0.19044.7725","windows_10_version_22h2 >= 10.0.19045.0 < 10.0.19045.7725","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9445","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9445","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2954","windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26349","windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26349","windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23397","windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23397","windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9504","windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9504","windows_server_2019 >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2019_server_core_installation >= 10.0.17763.0 < 10.0.17763.9245","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5622","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-17","sourceUpdated":"2026-09-17T20:18:41.860","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81955","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81955","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-08T18:44:54.009677Z"},"epss":0.00597,"epssPercentile":0.46975,"ingestedAt":"2026-09-08T19:08:49.632Z","slug":"CVE-2026-81955","body":"## Overview\n\nHeap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}