CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

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

criticalknown exploitedCVE-2023-35311
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 Outlook contains a security feature bypass vulnerability that allows an attacker to bypass the Microsoft Outlook Security Notice prompt.

CSIRTS triage

vendor: Microsoftproduct: OutlookAuthentication bypass
What
A security feature bypass vulnerability allows an attacker to bypass security prompts.
Who is affected
Users of Microsoft Outlook with the vulnerable version.
Urgency
Remediation is critical due to active exploitation of the vulnerability.
Action
Update Microsoft Outlook to the latest version to address the issue.

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

⚡ Watch Outlook

Get an email when a new Outlook advisory drops — max one per day, one-click unsubscribe.

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-2023-35311

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-2023-35311coverage & exploitation statusNVD · CVE.org

More from CISA Known Exploited Vulnerabilities