Microsoft Office
CVE-2020-17126 — Microsoft Excel Information Disclosure Vulnerability
Executive Summary
None
Overview
5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 4.8
EPSS Score
0.00968
probability of exploitation in the next 30 days
0.57215 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
14 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft 365 Apps for Enterprise for 32-bit Systems | Click to Run (Security Update) |
Important | Information Disclosure | No |
| Microsoft 365 Apps for Enterprise for 64-bit Systems | Click to Run (Security Update) |
Important | Information Disclosure | No |
| Microsoft Excel 2010 Service Pack 2 (32-bit editions) | 4493148 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2010 Service Pack 2 (64-bit editions) | 4493148 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2013 RT Service Pack 1 | 4493139 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2013 Service Pack 1 (32-bit editions) | 4493139 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2013 Service Pack 1 (64-bit editions) | 4493139 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2016 (32-bit edition) | 4486754 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2016 (64-bit edition) | 4486754 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Office 2019 for 32-bit editions | Click to Run (Security Update) |
Important | Information Disclosure | No |
| Microsoft Office 2019 for 64-bit editions | Click to Run (Security Update) |
Important | Information Disclosure | No |
| Microsoft Office 2019 for Mac | Release Notes (Security Update) |
Important | Information Disclosure | No |
| Microsoft Office Online Server | 4486750 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Office Web Apps 2013 Service Pack 1 | 4486760 (Security Update) |
Important | Information Disclosure | Maybe |
Patches
7 patches
| Article | Type | Restart |
|---|---|---|
Click to Run |
Security Update | No |
4493148 |
Security Update | Maybe |
4493139 |
Security Update | Maybe |
4486754 |
Security Update | Maybe |
Release Notes |
Security Update | No |
4486750 |
Security Update | Maybe |
4486760 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
(@jq0904) of DBAPPSecurity Lieying Lab
References
On This Page