Open redirect in Microsoft Office
Priority LOW 38CWE-601Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
A security feature bypass vulnerability exists when Microsoft Office does not validate URLs.An attacker could send a victim a specially crafted file, which could trick the victim into entering credentials, aka 'Microsoft Office Security Feature Bypass Vulnerability'.
Why it matters now
EPSS 0.10832 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Office | 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2013 RT Service Pack 1; 2016 (32-bit edition); 2016 (64-bit edition); 2019 for 32-bit editions; 2019 for 64-bit editions; Word Viewer | — | No fix listed | CNA |
| Microsoft | Microsoft Excel Viewer | all versions | — | No fix listed | CNA |
| Microsoft | Office 365 ProPlus | 32-bit Systems; 64-bit Systems | — | No fix listed | CNA |
| Microsoft | Microsoft PowerPoint Viewer | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft Office Compatibility Pack | Service Pack 3 | — | No fix listed | CNA |
- Microsoft Office VendorMicrosoft Affected 2010 Service Pack 2 (32-bit editions); 2010 Service Pack 2 (64-bit editions); 2013 Service Pack 1 (32-bit editions); 2013 Service Pack 1 (64-bit editions); 2013 RT Service Pack 1; 2016 (32-bit edition); 2016 (64-bit edition); 2019 for 32-bit editions; 2019 for 64-bit editions; Word Viewer Fixed in — No fix listed CNA
- Microsoft Excel Viewer VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Office 365 ProPlus VendorMicrosoft Affected 32-bit Systems; 64-bit Systems Fixed in — No fix listed CNA
- Microsoft PowerPoint Viewer VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft Office Compatibility Pack VendorMicrosoft Affected Service Pack 3 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:excel_viewer:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:* | 2010 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2013:*:*:*:rt:*:*:* | 2013 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:* | 2013 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:* | 2016 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:* | 2019 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:powerpoint_viewer:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:word_viewer:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:excel_viewer:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:* Versions 2010 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2013:*:*:*:rt:*:*:* Versions 2013 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:* Versions 2013 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:* Versions 2019 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:office_365_proplus:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:powerpoint_viewer:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:word_viewer:-:*:*:*:*:*:*:* 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-2019-0540
- 2026-10-03 Alias added: GHSA-64wm-87jc-34mv
More Microsoft Excel Viewer vulnerabilities
- TI-2019-00335 Command injection in Microsoft Office 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-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-2016-06250 Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016… KEVCVSS 3.1HIGH 7.8
- TI-2013-03410 GDI+ in Microsoft Windows Vista SP2 and Server 2008 SP2; Office 2003 SP3, 2007 SP3, and… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2019-0540 · CVE Program
- CVE-2019-0540 · NVD
- FIRST EPSS
- GHSA-64wm-87jc-34mv · 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