Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2024-38226

Microsoft Publisher Security Feature Bypass Vulnerability

Microsoft / Microsoft Office 2019 · affected before https://aka.ms/OfficeSecurityReleases

Severity
CVSS 7.3 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
2.7%
First observed
Last observed

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-38226 is Microsoft Publisher Security Feature Bypass Vulnerability.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Microsoft Office 2019 affected before https://aka.ms/officesecurityreleases.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Microsoft Publisher Security Feature Bypass Vulnerability

Microsoft Publisher Security Feature Bypass Vulnerability

Vendor Product Affected Status
Microsoft Microsoft Office 2019 Before https://aka.ms/OfficeSecurityReleases Affected
Microsoft Microsoft Office LTSC 2021 Before https://aka.ms/OfficeSecurityReleases Affected
Microsoft Microsoft Publisher 2016 Before 16.0.5465.1001 Affected
View vendor advisory (opens in new tab)
Published
10 Sep 2024
Exploitation Reported
10 Sep 2024
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required

Tags

microsoft nessus_scanner cisa

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 10 Sep 2024

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CISA First 2024-09-10 00:00 UTC
CVE 2026-08-10 15:32 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/206892 02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

EPSS

2.7%

Timeline

From disclosure to observed exploitation

  1. KEV confirmed by CVE

    Exploitation attested by an external source

  2. Nessus plugin available

    Scanner coverage available

  3. CVE published

    Vulnerability disclosed publicly

  4. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  5. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-38226

Free JSON includes basic KEV fields
{
  "cve_id": "CVE-2024-38226",
  "confidence": "Confirmed",
  "cvss_score": 7.3,
  "cvss_estimated": false,
  "epss_score": 0.02667,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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