Important CVSS 9.8 EPSS 0.01001 2023-09 archive

Executive Summary

None

Overview

9.8
CVSS CRITICAL
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Sep 12 2023
Last Updated Sep 12 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01001 — 0.58273 percentile
NVD CVSS 9.8 CRITICAL — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.8

EPSS Score

0.01001
probability of exploitation in the next 30 days
0.58273 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

2 affected products
Product KB Article Severity Impact Restart Required
Microsoft Office 2019 for 32-bit editions Click to Run (Security Update) Important Elevation of Privilege No
Microsoft Office 2019 for 64-bit editions Click to Run (Security Update) Important Elevation of Privilege No

Patches

1 patch
Article Type Restart
Click to Run Security Update No

Known Exploits

Acknowledgments

Luke Papandrea, Microsoft Corporation