VulnerabilityAnalyzed
CVE-2023-21715
Microsoft Office Publisher Security Feature Bypass Vulnerability
KEVHIGH 7.3EPSS 12.0%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 March 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft Publisher Security Feature Bypass Vulnerability
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 12.01% probability · 96th percentile
- CISA KEV
- Listed 14 February 2023 · due 7 March 2023
- Weakness
- CWE-863
- Affected
- microsoft/365 apps
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21715; https://nvd.nist.gov/vuln/detail/CVE-2023-21715
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21715Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21715Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21715US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.