{"id":"CVE-2023-35311","title":"Microsoft Outlook Security Feature Bypass Vulnerability","summary":"Microsoft Outlook Security Feature Bypass Vulnerability","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-367"],"vendor":"microsoft","product":"365_apps","affected":["365_apps","office = 2019","office_long_term_servicing_channel = 2021","outlook = 2013","outlook = 2016"],"published":"2023-07-11","updated":"2026-10-07","sourceUpdated":"2026-10-07T18:17:11.453","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-35311","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311","label":"secure@microsoft.com"},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-35311","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","in-the-wild","exploit-available","kev"],"exploited":true,"exploitAvailable":true,"ssvc":{"exploitation":"active","automatable":"no","technicalImpact":"total","timestamp":"2025-02-04T17:53:50.345525Z"},"epss":0.15522,"epssPercentile":0.96728,"kev":true,"kevDateAdded":"2023-07-11","kevDueDate":"2023-08-01","kevRansomware":false,"zeroDay":true,"ingestedAt":"2026-10-07T18:42:20.875Z","slug":"CVE-2023-35311","body":"## Overview\n\nMicrosoft Outlook Security Feature Bypass Vulnerability\n\n## Affected\n\n- `365_apps`\n- `office = 2019`\n- `office_long_term_servicing_channel = 2021`\n- `outlook = 2013`\n- `outlook = 2016`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":77,"depthScoreParts":{"impact":48.4,"likelihood":3.1,"exploitation":25,"ransomware":0},"changes":[]}