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TI-2023-16316 Aliases CVE-2023-33137GHSA-vx98-w6gr-g2gv

Microsoft Excel Remote Code Execution Vulnerability

Priority MEDIUM 41CWE-415Published · 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 Excel Remote Code Execution Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02748 86th percentileScored 2026-11-07
Fix Fixed Microsoft: 3 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

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Office 201919.0.0 to before https://aka.ms/OfficeSecurityReleaseshttps://aka.ms/OfficeSecurityReleasesPatch availableCNA
MicrosoftMicrosoft Office Online Server16.0.1 to before 16.0.10399.2000016.0.10399.20000Patch availableCNA
MicrosoftMicrosoft Excel 201616.0.0.0 to before 16.0.5400.100016.0.5400.1000Patch availableCNA
MicrosoftMicrosoft Excel 2013 Service Pack 115.0.0.0 to before 15.0.5563.100015.0.5563.1000Patch availableCNA
  • 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 Online Server VendorMicrosoft Affected 16.0.1 to before 16.0.10399.20000 Fixed in 16.0.10399.20000 Patch available CNA
  • Microsoft Excel 2016 VendorMicrosoft Affected 16.0.0.0 to before 16.0.5400.1000 Fixed in 16.0.5400.1000 Patch available CNA
  • Microsoft Excel 2013 Service Pack 1 VendorMicrosoft Affected 15.0.0.0 to before 15.0.5563.1000 Fixed in 15.0.5563.1000 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x64:*2013 sp1VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x86:*2013 sp1VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*2013 sp1VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x64:* Versions 2013 sp1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x86:* Versions 2013 sp1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

Microsoft 3 updates

  • Security Update
    • Microsoft Excel 2013 RT Service Pack 1 15.0.5563.1000
    • Microsoft Excel 2013 Service Pack 1 (32-bit editions) 15.0.5563.1000
    • Microsoft Excel 2013 Service Pack 1 (64-bit editions) 15.0.5563.1000
  • Security Update
    • Microsoft Excel 2016 (32-bit edition) 16.0.5400.1000
    • Microsoft Excel 2016 (64-bit edition) 16.0.5400.1000
  • Security Update
    • Microsoft Office Online Server 16.0.10399.20000

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Office 2019 for 32-bit editionsFixed https · //aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 64-bit editionsFixed https · //aka.ms/OfficeSecurityReleases

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-33137
  2. 2026-10-03 Alias added: GHSA-vx98-w6gr-g2gv

References

  • TI-2023-09240 Microsoft Outlook Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-01013 A remote code execution vulnerability exists in Microsoft Excel software when the… KEVCVSS 3.1HIGH 8.8
  • TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
  • TI-2018-00739 Out-of-bounds write in Microsoft Equation Editor KEVCVSS 3.1HIGH 8.8
  • TI-2015-02130 Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2… KEVCVSS 3.1HIGH 8.8
  • TI-2015-01588 Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary… KEVCVSS 3.1HIGH 8.8
See all 1024 →

Sources