CVE-2023-35311: Microsoft Outlook Security Feature Bypass Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

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

Required action (CISA)

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-35311; https://nvd.nist.gov/vuln/detail/CVE-2023-35311

Weakness behind it

CISA records this vulnerability as an instance of CWE-367. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-35311
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog