{"id":"CVE-2026-83949","title":"Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.","summary":"Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-126"],"vendor":"microsoft","product":"365_apps","affected":["365_apps","office_2019","office_2021","office_2024","word = 2016"],"published":"2026-09-08","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:44:11.103","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-83949","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83949","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T19:41:17.552515Z"},"ingestedAt":"2026-09-08T19:08:49.632Z","epss":0.004,"epssPercentile":0.3403,"slug":"CVE-2026-83949","body":"## Overview\n\nBuffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.\n\n## Affected\n\n- `365_apps`\n- `office_2019`\n- `office_2021`\n- `office_2024`\n- `word = 2016`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}