Microsoft Publisher Security Feature Bypass Vulnerability
Priority CRITICAL 91Exploited in the wildCWE-693Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Microsoft Publisher Security Feature Bypass Vulnerability
Why it matters now
Exploitation Active In CISA KEV since 2024-09-10CISA due date 2024-10-01
EPSS 0.02667 85th percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Office 2019 | 19.0.0 to before https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases | Patch available | CNA |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 to before https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases | Patch available | CNA |
| Microsoft | Microsoft Publisher 2016 | 16.0.0 to before 16.0.5465.1001 | 16.0.5465.1001 | Patch available | CNA |
- Microsoft Office 2019 VendorMicrosoft Affected 19.0.0 to before https://aka.ms/OfficeSecurityReleases Fixed in https://aka.ms/OfficeSecurityReleases Patch available CNA
- Microsoft Office LTSC 2021 VendorMicrosoft Affected 16.0.1 to before https://aka.ms/OfficeSecurityReleases Fixed in https://aka.ms/OfficeSecurityReleases Patch available CNA
- Microsoft Publisher 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5465.1001 Fixed in 16.0.5465.1001 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:* | 2021 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:* | 2021 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:x64:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:x86:* | 2016 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:* Versions 2021 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x86:* Versions 2021 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:x64:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:x86:* Versions 2016 Vulnerable ·Microsoft
Remediation
Microsoft 1 update
- Security Update
- Microsoft Publisher 2016 (32-bit edition) 16.0.5465.1001
- Microsoft Publisher 2016 (64-bit edition) 16.0.5465.1001
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Security Feature Bypass
- Exploited
- Yes
- Publicly disclosed
- No
- Exploitability
- Exploitation Detected
| Product | Status | Plan or fix |
|---|---|---|
| Microsoft Office 2019 for 32-bit editions | Fixed | https · //aka.ms/OfficeSecurityReleases |
| Microsoft Office 2019 for 64-bit editions | Fixed | https · //aka.ms/OfficeSecurityReleases |
| Microsoft Office LTSC 2021 for 32-bit editions | Fixed | https · //aka.ms/OfficeSecurityReleases |
| Microsoft Office LTSC 2021 for 64-bit editions | Fixed | https · //aka.ms/OfficeSecurityReleases |
Timeline
- 2024-09-10 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2024-38226
- 2026-10-03 Alias added: GHSA-rf2v-qj9w-x393
References
More Microsoft Office 2019 vulnerabilities
- TI-2024-14173 Microsoft Outlook Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-25471 Microsoft Project Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2023-17652 Microsoft Outlook Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2021-18725 Microsoft Excel Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2021-16223 Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2026-54593 Microsoft Office Outlook Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-38226 · CVE Program
- CVE-2024-38226 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-rf2v-qj9w-x393 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-38226 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences