Information disclosure in Microsoft Excel Viewer
Priority LOW 39CWE-200Published · 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-200.
Summary
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.
Why it matters now
EPSS 0.13055 96th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Excel Viewer | 2007 Service Pack 3 | — | No fix listed | CNA |
| Microsoft | Microsoft Office | 2016 for Mac; Compatibility Pack Service Pack 3 | — | No fix listed | CNA |
| Microsoft | Microsoft Excel | 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); 2016 Click-to-Run (C2R) for 32-bit editions; 2016 Click-to-Run (C2R) for 64-bit editions | — | No fix listed | CNA |
- Microsoft Excel Viewer VendorMicrosoft Affected 2007 Service Pack 3 Fixed in — No fix listed CNA
- Microsoft Office VendorMicrosoft Affected 2016 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); 2016 Click-to-Run (C2R) for 32-bit editions; 2016 Click-to-Run (C2R) for 64-bit editions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:* | 2010 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel:2016:*:*:*:click-to-run:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel_2013_rt:sp1:*:*:*:*:*:*:* | sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:* | 2007 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- 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:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel:2016:*:*:*:click-to-run:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel_2013_rt:sp1:*:*:*:*:*:*:* Versions sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:* Versions 2007 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8382
- 2026-10-03 Alias added: GHSA-4v6r-gxrx-pjw8
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-2018-8382 · CVE Program
- CVE-2018-8382 · NVD
- FIRST EPSS
- GHSA-4v6r-gxrx-pjw8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences