7.3

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.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
2.67%
0%100%
Low · 0.00 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-09-2024
    PublishedVulnerability first disclosed.
  2. 10-09-2024
    Added to CISA KEVMicrosoft Publisher Protection Mechanism Failure Vulnerability
  3. 01-10-2024
    CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  4. 10-08-2026
    Last modifiedVulnerability information updated.

Description

Microsoft Publisher Security Feature Bypass Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

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 score
2.67%

Known exploited

Compare KEV catalogs
CISA KEVListed
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 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft6 products

1 vendor · 6 products

References

2 links