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

criticalknown exploitedCVE-2023-32049
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft Windows Defender SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the Open File - Security Warning prompt.

CSIRTS triage

vendor: Microsoftproduct: Windows Defender SmartScreenAuthentication bypass
What
A security feature bypass vulnerability allows an attacker to bypass security warnings.
Who is affected
Users of Microsoft Windows Defender SmartScreen.
Urgency
Remediation is critical due to confirmed exploitation of the vulnerability.
Action
Update Microsoft Windows to the latest version to mitigate the risk.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-07-11
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-32049

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-32049coverage & exploitation statusNVD · CVE.org

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