{"id":"CVE-2021-43899","aliases":["EUVD-2021-30761","GHSA-9vc3-gg5p-544w"],"status":"published","title":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","description":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02586,"percentile":0.85361,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2021-12-15T14:15:39Z","modified":"2026-06-17T04:11:37Z","products":[{"vendor":"microsoft","product":"microsoft 4k wireless display adapter"},{"vendor":"microsoft","product":"wireless_display_adapter_firmware"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43899","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43899"},{"url":"https://github.com/advisories/GHSA-9vc3-gg5p-544w"}],"sources":{"cve":[{"id":"CVE-2021-43899","title":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","description":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:39Z","modified":"2024-08-04T04:10:17.252Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30761","description":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:39Z","modified":"2024-08-04T04:10:17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-03T03:24:12.599691Z"}],"ghsa":[{"id":"GHSA-9vc3-gg5p-544w","title":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","description":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","status":"published","published":"2021-12-16T00:01:41Z","modified":"2023-01-27T05:01:13Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:41:50.629165Z"}],"nvd":[{"id":"CVE-2021-43899","description":"Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T15:15:11.42Z","modified":"2026-06-17T04:11:37.843Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}