Important EPSS 0.18515 2019-04 archive

Executive Summary

A remote code execution vulnerability exists when Microsoft Office fails to properly handle certain files. To exploit the vulnerability, an attacker would have to convince a user to open a specially crafted URL file that points to an Excel or PowerPoint file that was also downloaded. The update addresses the vulnerability by correcting how Office handles these files.

Overview

Important
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Apr 9 2019
Last Updated Apr 9 2019
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.18515 — 0.9688 percentile

EPSS Score

0.18515
probability of exploitation in the next 30 days
0.9688 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

11 affected products
Product KB Article Severity Impact Restart Required
Microsoft Office 2010 Service Pack 2 (32-bit editions) 4462223 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2010 Service Pack 2 (64-bit editions) 4462223 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2013 RT Service Pack 1 4464504 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2013 Service Pack 1 (32-bit editions) 4464504 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2013 Service Pack 1 (64-bit editions) 4464504 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2016 (32-bit edition) 4462242 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2016 (64-bit edition) 4462242 (Security Update) Important Remote Code Execution Maybe
Microsoft Office 2019 for 32-bit editions Click to Run (Security Update) Important Remote Code Execution No
Microsoft Office 2019 for 64-bit editions Click to Run (Security Update) Important Remote Code Execution No
Office 365 ProPlus for 32-bit Systems Click to Run (Security Update) Important Remote Code Execution No
Office 365 ProPlus for 64-bit Systems Click to Run (Security Update) Important Remote Code Execution No

Patches

4 patches
Article Type Restart
4462223 Security Update Maybe
4464504 Security Update Maybe
4462242 Security Update Maybe
Click to Run Security Update No

Known Exploits