CVE-2023-21715
Actively exploited. CVE-2023-21715 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-02-14) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Microsoft Office Publisher contains a security feature bypass vulnerability that allows for a local, authenticated attack on a targeted system.
CSIRTS triage
- What
- Office Publisher contains a security feature bypass vulnerability that allows for a local, authenticated attack on a targeted system.
- Who is affected
- Authenticated users of Microsoft Office Publisher.
- Urgency
- Immediate action is required as the vulnerability is actively exploited and critical in severity.
- Action
- Update to the latest version of Microsoft Office Publisher.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 96% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2023-21715: Microsoft Office Publisher Security Feature Bypass Vulnerabilitycisa-kev · 2023-02-14
External references
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[](https://www.csirts.com/cve/CVE-2023-21715)