Microsoft Publisher Protection Mechanism Failure Vulnerability

Added to KEV
2024-09-10
Federal due date
2024-10-01
Vendor
Microsoft
Product
Publisher
EPSS
81.0th percentile (score 0.014, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2024-38226

CISA short description

Microsoft Publisher contains a protection mechanism failure vulnerability that allows attacker to bypass Office macro policies used to block untrusted or malicious files.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.