{"id":"CVE-2021-33740","state":"PUBLISHED","title":"Windows Media Remote Code Execution Vulnerability","description":"Windows Media Remote Code Execution Vulnerability","publishedAt":"2021-07-14T17:53:18.000Z","updatedAt":"2026-08-10T15:10:57.847Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Windows 10 Version 1507","Microsoft Windows 10 Version 1809","Microsoft Windows 10 Version 2004","Microsoft Windows Server 2019","Microsoft Windows Server 2019 (Server Core installation)","Microsoft Windows Server version 2004"],"affected":[{"vendor":"Microsoft","product":"Windows 10 Version 1507","versions":[{"version":"10.0.10240.0","status":"affected","lessThan":"10.0.10240.19003","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["ARM64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 2004","versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.19041.1110","versionType":"custom"}],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019","versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server version 2004","versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.19041.1110","versionType":"custom"}],"platforms":["x64-based Systems"]}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33740","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33740"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:36.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/33xxx/CVE-2021-33740.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-33740","state":"PUBLISHED","datePublished":"2021-07-14T17:53:18.000Z","dateUpdated":"2026-08-10T15:10:57.847Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2021-05-28T00:00:00.000Z"},"containers":{"cna":{"title":"Windows Media Remote Code Execution Vulnerability","descriptions":[{"lang":"en-US","value":"Windows Media Remote Code Execution Vulnerability"}],"affected":[{"vendor":"Microsoft","product":"Windows 10 Version 1507","versions":[{"version":"10.0.10240.0","status":"affected","lessThan":"10.0.10240.19003","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["32-bit Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["ARM64-based Systems"]},{"vendor":"Microsoft","product":"Windows 10 Version 2004","versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.19041.1110","versionType":"custom"}],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019","versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server 2019 (Server Core installation)","versions":[{"version":"10.0.17763.0","status":"affected","lessThan":"10.0.17763.2061","versionType":"custom"}],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Windows Server version 2004","versions":[{"version":"10.0.0","status":"affected","lessThan":"10.0.19041.1110","versionType":"custom"}],"platforms":["x64-based Systems"]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33740","name":"Windows Media Remote Code Execution Vulnerability","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"description":"Remote Code Execution","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2026-08-10T15:10:57.847Z"},"datePublic":"2021-07-13T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*","versionStartIncluding":"10.0.17763.0","versionEndExcluding":"10.0.17763.2061"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.17763.2061"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.17763.0","versionEndExcluding":"10.0.17763.2061"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.17763.0","versionEndExcluding":"10.0.17763.2061"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.19041.1110"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.19041.1110"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*","versionStartIncluding":"10.0.10240.0","versionEndExcluding":"10.0.10240.19003"}]}]}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33740","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:58:22.857Z"}}]}}}