{"id":"CVE-2026-50523","aliases":["ALPINE-CVE-2026-50523","BIT-powershell-2026-50523","EUVD-2026-58808","GHSA-2x33-4fc7-ppvw"],"status":"published","title":"Microsoft PowerShell Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00322,"percentile":0.25575,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-77"],"published":"2026-08-14T21:05:20Z","modified":"2026-11-10T21:59:23Z","fixes":[{"ecosystem":"Alpine:v3.24","package":"powershell","fixed_in":["7.6.9-r0"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"powershell","fixed_in":["7.4.19","7.5.10","7.6.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.24","package":"powershell","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.4"},{"fixed":"7.6.9-r0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"powershell","ranges":[{"type":"SEMVER","events":[{"introduced":"7.4.0"},{"fixed":"7.4.19"},{"introduced":"7.5.0"},{"fixed":"7.5.10"},{"introduced":"7.6.0"},{"fixed":"7.6.5"}]}]}],"products":[{"vendor":"","product":"powershell 7.6"},{"vendor":"microsoft","product":"powershell"},{"vendor":"microsoft","product":"powershell 7.4"},{"vendor":"microsoft","product":"powershell 7.5"},{"vendor":"microsoft","product":"powershell 7.6"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50523","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50523","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2x33-4fc7-ppvw"},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-50523","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-50523","title":"Microsoft PowerShell Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-14T21:05:20.277Z","modified":"2026-11-10T21:59:23.219Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-10T22:48:51.483784Z"}],"euvd":[{"id":"EUVD-2026-58808","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-14T21:05:20Z","modified":"2026-11-10T21:59:23Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:17.329747Z"}],"ghsa":[{"id":"GHSA-2x33-4fc7-ppvw","title":"Improper neutralization of special elements used in a command ('command injection') in Microsoft...","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-14T21:31:36Z","modified":"2026-08-14T21:31:44Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:10:29.845726Z"}],"nvd":[{"id":"CVE-2026-50523","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-14T21:17:18.92Z","modified":"2026-08-18T13:16:20.67Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:37.926464Z"}],"osv":[{"id":"ALPINE-CVE-2026-50523","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-14T21:17:18.92Z","modified":"2026-11-03T06:32:58.123385655Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:16:09.603409Z"},{"id":"CVE-2026-50523","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-14T21:17:18.92Z","modified":"2026-10-24T10:31:05.909503622Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:07.431113Z"},{"id":"BIT-powershell-2026-50523","title":"Microsoft PowerShell Remote Code Execution Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.","status":"published","published":"2026-08-19T11:41:11.861Z","modified":"2026-09-08T08:48:04.895712146Z","updated_at":"2026-11-02T15:28:34.724063Z"}]}}
