{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9688","status":"affected","version":"10.0.14393.0","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9487","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.7846","status":"affected","version":"10.0.19044.0","versionType":"custom"}]},{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.7846","status":"affected","version":"10.0.19045.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 23H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.7711","status":"affected","version":"10.0.22631.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows 11 Version 23H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.7711","status":"affected","version":"10.0.22631.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.9974","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.9974","status":"affected","version":"10.0.26200.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.3501","status":"affected","version":"10.0.28000.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 26H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26300.9974","status":"affected","version":"10.0.26300.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2016","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9688","status":"affected","version":"10.0.14393.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.9688","status":"affected","version":"10.0.14393.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2019","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9487","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9487","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2022","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5870","status":"affected","version":"10.0.20348.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33822","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33822","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}],"cveId":"CVE-2026-122171","cwes":["CWE-122"],"description":"Heap-based buffer overflow in Microsoft XPS Document Converter allows an unauthorized attacker to execute code over a network.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: microsoft","vector":"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","version":"3.1"}],"modifiedAt":1794345064439,"publishedAt":1794335047351,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122171"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122171"}],"revision":"7ccedc7376dc537636f2e44c45ef3190a69bfdc94bb0c9dc8871432cfc5f23a8","sources":[{"modifiedAt":1794345064439,"name":"CNA: microsoft","retrievedAt":1794346539244,"url":"https://www.cve.org/CVERecord?id=CVE-2026-122171"}],"ssvc":{"assessedAt":1794344482866,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Microsoft XPS Document Converter Remote Code Execution Vulnerability","updatedAt":1794346539244}