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TI-2018-06267 Aliases CVE-2018-8627GHSA-jq29-w2g2-mrm3

Use of uninitialized resource in Microsoft Office

Priority LOW 36CWE-908Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-908 and the CVSS impact.

Summary

An information disclosure vulnerability exists when Microsoft Excel software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8598.

Why it matters now

EPSS 0.08624 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Office2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2016 for Mac; 2019 for 32-bit editions; 2019 for 64-bit editions; 2019 for Mac; Compatibility Pack Service Pack 3—No fix listedCNA
MicrosoftMicrosoft Excel2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 RT Service Pack 1; 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2016 (32-bit edition); 2016 (64-bit edition)—No fix listedCNA
MicrosoftMicrosoft Excel Viewer2007 Service Pack 3—No fix listedCNA
MicrosoftExcelServices on Microsoft SharePoint Server 2010 Service Pack 2—No fix listedCNA
MicrosoftOffice365 ProPlus for 32-bit Systems; 365 ProPlus for 64-bit Systems—No fix listedCNA
  • Microsoft Office VendorMicrosoft Affected 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2016 for Mac; 2019 for 32-bit editions; 2019 for 64-bit editions; 2019 for Mac; Compatibility Pack Service Pack 3 Fixed in — No fix listed CNA
  • Microsoft Excel VendorMicrosoft Affected 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 RT Service Pack 1; 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2016 (32-bit edition); 2016 (64-bit edition) Fixed in — No fix listed CNA
  • Microsoft Excel Viewer VendorMicrosoft Affected 2007 Service Pack 3 Fixed in — No fix listed CNA
  • Excel VendorMicrosoft Affected Services on Microsoft SharePoint Server 2010 Service Pack 2 Fixed in — No fix listed CNA
  • Office VendorMicrosoft Affected 365 ProPlus for 32-bit Systems; 365 ProPlus for 64-bit Systems Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*2010 sp2VulnerableMicrosoft
cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*2013 sp1VulnerableMicrosoft
cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*2013 sp1VulnerableMicrosoft
cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*2007 sp3VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*2010 sp2VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os_x:*:*2016VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*2019VulnerableMicrosoft
cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:* Versions 2010 sp2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:* Versions 2010 sp2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os_x:*:* Versions 2016 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:* Versions 2019 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*2010 sp2VulnerableMicrosoft
  • cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:* Versions 2010 sp2 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-8627
  2. 2026-10-03 Alias added: GHSA-jq29-w2g2-mrm3
  3. 2026-10-13 EPSS moved to the 95th–99th percentile

References

Patch 1

  • 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
See all 501 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences