Microsoft Outlook Security Feature Bypass Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- Fix
- Fixed in 16.0.5404.1000, 15.0.5571.1000
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: active
- Automatable: no
- Technical impact: total
Summary
Microsoft Outlook is affected by this vulnerability, which allows an attacker to bypass built-in security features. Successful exploitation could let an attacker circumvent protections meant to keep users safe when handling email content.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Microsoft Outlook Security Feature Bypass Vulnerability
Timeline
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CVE published
- CISA remediation deadline
Due date for US federal agencies to patch
- CISA SSVC assessment
Exploitation: active · Automatable: no · Technical impact: total
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Microsoft Microsoft 365 Apps for Enterprise
From 16.0.1 · fixed in https://aka.ms/OfficeSecurityReleases
- Microsoft Microsoft Office LTSC 2021
From 16.0.1 · fixed in https://aka.ms/OfficeSecurityReleases
- Microsoft Microsoft Office 2019
From 19.0.0 · fixed in https://aka.ms/OfficeSecurityReleases
- Microsoft Microsoft Outlook 2016
From 16.0.0.0 · fixed in 16.0.5404.1000
- Microsoft Microsoft Outlook 2013
From 14.0.0 · fixed in 15.0.5571.1000
- Microsoft Microsoft Outlook 2013 Service Pack 1
From 15.0.0.0 · fixed in 15.0.5571.1000