Microsoft Office
CVE-2018-8429 — Microsoft Excel Information Disclosure Vulnerability
Important
2018-09 archive
Executive Summary
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory. An attacker who exploited the vulnerability could access information previously deleted from the active worksheet. To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
12 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Excel 2010 Service Pack 2 (32-bit editions) | 4227175 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2010 Service Pack 2 (64-bit editions) | 4227175 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2013 RT Service Pack 1 | 4092479 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2013 Service Pack 1 (32-bit editions) | 4092479 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2013 Service Pack 1 (64-bit editions) | 4092479 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2016 (32-bit edition) | 4092460 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel 2016 (64-bit edition) | 4092460 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Excel Viewer 2007 Service Pack 3 | 4092467 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions | Click to Run (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions | Click to Run (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Office 2016 for Mac | Release Notes (Security Update) |
Important | Information Disclosure | No |
| Microsoft Office Compatibility Pack Service Pack 3 | 4092466 (Security Update) |
Important | Information Disclosure | Maybe |
Patches
7 patches
| Article | Type | Restart |
|---|---|---|
4227175 |
Security Update | Maybe |
4092479 |
Security Update | Maybe |
4092460 |
Security Update | Maybe |
4092467 |
Security Update | Maybe |
Click to Run |
Security Update | Maybe |
Release Notes |
Security Update | No |
4092466 |
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
Jaanus Kp Clarified Security working with Trend Micro's Zero Day Initiative
References
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