{"id":"CVE-2026-83681","aliases":["EUVD-2026-99326","GHSA-52h2-r8m2-r88f"],"status":"published","title":"Microsoft PowerToys Tampering Vulnerability","description":"Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00432,"percentile":0.3797,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-1390"],"published":"2026-10-13T18:59:48Z","modified":"2026-10-31T18:02:54Z","exploits":[{"source":"pocgithub","id":"2alf/CarbonBlue","title":"2alf/CarbonBlue","date":"2026-10-08","url":"https://github.com/2alf/CarbonBlue"}],"products":[{"vendor":"microsoft","product":"microsoft powertoys"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83681","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-83681"},{"url":"https://github.com/advisories/GHSA-52h2-r8m2-r88f"}],"sources":{"cve":[{"id":"CVE-2026-83681","title":"Microsoft PowerToys Tampering Vulnerability","description":"Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T18:59:48.818Z","modified":"2026-11-10T20:36:09.521Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-1390"],"updated_at":"2026-11-10T22:18:28.707469Z"}],"euvd":[{"id":"EUVD-2026-99326","description":"Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T18:59:48Z","modified":"2026-11-10T20:36:09Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T21:23:23.099302Z"}],"ghsa":[{"id":"GHSA-52h2-r8m2-r88f","title":"Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering...","description":"Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T21:34:36Z","modified":"2026-10-13T21:34:37Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1390"],"updated_at":"2026-11-02T15:13:16.244853Z"}],"nvd":[{"id":"CVE-2026-83681","description":"Weak authentication in Microsoft PowerToys allows an authorized attacker to perform tampering locally.","status":"published","published":"2026-10-13T19:20:10.407Z","modified":"2026-10-22T22:18:55.42Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-1390"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}