CVE-2024-38226: Microsoft Publisher Protection Mechanism Failure Vulnerability
CVSS: 7.3v3.1HighKEVAnalyzed
Published 10-09-2024Last modified 10-08-2026
Vulnerability summary
CVE-2024-38226 is a high (CVSS 7.3) Protection Mechanism Failure vulnerability in Microsoft Publisher. It is known to be exploited: CISA lists it, first on 10-09-2024. EPSS estimates a 2.67% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.
CVSS score
7.3/10
010
High · v3.1 (CVE.org)EPSS score
2.67%
0%100%
Low · 0.00 pp in 30 daysKEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-09-2024PublishedVulnerability first disclosed.
- 10-09-2024Added to CISA KEVMicrosoft Publisher Protection Mechanism Failure Vulnerability
- 01-10-2024CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 10-08-2026Last modifiedVulnerability information updated.
Description
Microsoft Publisher Security Feature Bypass Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.67%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.67% on 19-09-2026
19-09-202619-10-2026
EPSS score2.67%
Known exploited
Compare KEV catalogs- Added
- 10-09-2024
- Federal due date
- 01-10-2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226 nvd.nist.gov/vuln/detail/CVE-2024-38226
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- microsoft office 2019≥ 19.0.0, < https://aka.ms/OfficeSecurityReleases
- microsoft office ltsc 2021≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases
- microsoft publisher 2016≥ 16.0.0, < 16.0.5465.1001
- office_2019na
- office_long_term_servicing_channel2021
1 vendor · 6 products
References
2 links- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38226Government ResourceUS Government Resource