Microsoft Outlook Security Feature Bypass Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-07-11
• EPSS: 16% chance of exploitation in the next 30 days (higher than 97% of CVEs)

[ Description ]Official description

Microsoft Outlook Security Feature Bypass Vulnerability

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

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 1 Aug 2023): Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

• Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource