Microsoft Office Remote Code Execution Vulnerability
Priority LOW 38CWE-693Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- 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 Office Remote Code Execution Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01177 67th percentileScored 2026-11-07
Fix Fixed Microsoft: 10 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 Excel 2016 | 16.0.0.0 to before 16.0.5435.1000 | 16.0.5435.1000 | Patch available | CNA |
| Microsoft | Microsoft Office 2016 | 16.0.0 to before 16.0.5435.1001 | 16.0.5435.1001 | Patch available | CNA |
| 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 PowerPoint 2016 | 16.0.0 to before 16.0.5435.1000 | 16.0.5435.1000 | Patch available | CNA |
| Microsoft | Microsoft Publisher 2016 | 16.0.0 to before 16.0.5435.1000 | 16.0.5435.1000 | Patch available | CNA |
| Microsoft | Microsoft Visio 2016 | 16.0.1 to before 16.0.5435.1000 | 16.0.5435.1000 | Patch available | CNA |
| Microsoft | Microsoft Word 2016 | 16.0.1 to before 16.0.5435.1000 | 16.0.5435.1000 | Patch available | CNA |
| Microsoft | Skype for Business 2016 | before 16.0.5435.1000 | 16.0.5435.1000 | Patch available | CNA |
- Microsoft Excel 2016 VendorMicrosoft Affected 16.0.0.0 to before 16.0.5435.1000 Fixed in 16.0.5435.1000 Patch available CNA
- Microsoft Office 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5435.1001 Fixed in 16.0.5435.1001 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 PowerPoint 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5435.1000 Fixed in 16.0.5435.1000 Patch available CNA
- Microsoft Publisher 2016 VendorMicrosoft Affected 16.0.0 to before 16.0.5435.1000 Fixed in 16.0.5435.1000 Patch available CNA
- Microsoft Visio 2016 VendorMicrosoft Affected 16.0.1 to before 16.0.5435.1000 Fixed in 16.0.5435.1000 Patch available CNA
- Microsoft Word 2016 VendorMicrosoft Affected 16.0.1 to before 16.0.5435.1000 Fixed in 16.0.5435.1000 Patch available CNA
- Skype for Business 2016 VendorMicrosoft Affected before 16.0.5435.1000 Fixed in 16.0.5435.1000 Patch available CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2016:*:-:*:-:*:-:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2019:*:*:*:click-to-run:*:*:* | 2019 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:* | 2021 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:powerpoint:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:skype_for_business:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visio:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2016:*:-:*:-:*:-:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2019:*:*:*:click-to-run:*:*:* Versions 2019 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:* Versions 2021 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:powerpoint:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:publisher:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:skype_for_business:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visio:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
Remediation
Microsoft 10 updates
- Security Update
- Microsoft Word 2016 (32-bit edition) 16.0.5435.1000
- Microsoft Word 2016 (64-bit edition) 16.0.5435.1000
- Security Update
- Microsoft Office 2016 (32-bit edition) 16.0.5435.1001
- Microsoft Office 2016 (64-bit edition) 16.0.5435.1001
- Security Update
- Microsoft Excel 2016 (32-bit edition) 16.0.5435.1000
- Microsoft Excel 2016 (64-bit edition) 16.0.5435.1000
Show 7 more Microsoft updates
- Security Update
- Microsoft Office 2016 (32-bit edition) 16.0.5435.1001
- Microsoft Office 2016 (64-bit edition) 16.0.5435.1001
- Security Update
- Microsoft PowerPoint 2016 (32-bit edition) 16.0.5435.1000
- Microsoft PowerPoint 2016 (64-bit edition) 16.0.5435.1000
- Security Update
- Microsoft Publisher 2016 (32-bit edition) 16.0.5435.1000
- Microsoft Publisher 2016 (64-bit edition) 16.0.5435.1000
- Security Update
- Microsoft Visio 2016 (32-bit edition) 16.0.5435.1000
- Microsoft Visio 2016 (64-bit edition) 16.0.5435.1000
- Security Update
- Microsoft Office 2016 (32-bit edition) 16.0.5435.1001
- Microsoft Office 2016 (64-bit edition) 16.0.5435.1001
- Security Update
- Microsoft Office 2016 (32-bit edition) 16.0.5435.1001
- Microsoft Office 2016 (64-bit edition) 16.0.5435.1001
- Security Update
- Skype for Business 2016 (32-bit) 16.0.5435.1000
- Skype for Business 2016 (64-bit) 16.0.5435.1000
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| 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
- 2026-10-02 Threatist record created from CVE-2024-20673
- 2026-10-03 Alias added: GHSA-wwqr-wgwc-gj85
References
More Microsoft Excel vulnerabilities
- TI-2019-01013 A remote code execution vulnerability exists in Microsoft Excel software when the… KEVCVSS 3.1HIGH 8.8
- TI-2009-00222 Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold… KEVCVSS 3.1HIGH 8.8
- TI-2007-00655 Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and… KEVCVSS 3.1HIGH 8.8
- TI-2021-18725 Microsoft Excel Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 7.8
- TI-2016-06250 Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016… KEVCVSS 3.1HIGH 7.8
- TI-2009-02984 Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2024-20673 · CVE Program
- CVE-2024-20673 · NVD
- FIRST EPSS
- GHSA-wwqr-wgwc-gj85 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-20673 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences