CVE-2023-35311

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 3/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Microsoft Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.

CISA Known Exploited Vulnerability

Vendor / Product Microsoft — Outlook
Date Added 2023-07-11
Remediation Due 2023-08-01
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-35311; https://nvd.nist.gov/vuln/detail/CVE-2023-35311

Weakness Classification (1)

Bug Bounty Relevance

3 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

15.52%
Raw Score 0.155220
Percentile 96.8%
Date 2026-10-28

Intelligence Sources

kev ref →