CVE-2023-32049: Microsoft Windows Defender SmartScreen Security Feature Bypass Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Microsoft Windows Defender SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the Open File - Security Warning 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-2023-32049; https://nvd.nist.gov/vuln/detail/CVE-2023-32049

Weakness behind it

CISA has not recorded a CWE for this entry, so the CVE → CWE → CAPEC → ATT&CK chain cannot be walked from here. That is a gap in the catalogue, not evidence the vulnerability has no weakness class — check the NVD record below.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-32049
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog