ClosedPatched
Microsoft Outlook: Security Feature Bypass (CVE-2023-35311)
Microsoft Outlook
Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt. Added to CISA KEV on 2023-07-11.
Why this severity: CVSS 8.8 (NVD), actively exploited (CISA KEV)
- Started
- Jul 11, 2023
- Closed
- Jul 11, 2023
Affected
- See vendor advisory / CISA notes (versions not always listed in KEV feed)
Fixed in
- See vendor advisory linked in sources
Timeline1
CISA added CVE-2023-35311 to the KEV catalog (due 2023-08-01).
Advisories3
Notes & caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).
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