CVE-2024-38226
Microsoft Publisher Protection Mechanism Failure Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 October 2024). 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
- 2.67% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 10 September 2024 · due 1 October 2024
- Weakness
- CWE-693
- Affected
- microsoft/office 2019 · microsoft/office long term servicing channel · microsoft/publisher
- Source
- secure@microsoft.com
EPSS 2.7% since 30 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226; https://nvd.nist.gov/vuln/detail/CVE-2024-38226
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38226US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.