Important CVSS 8.4 EPSS 0.00606 2023-10 archive

Executive Summary

None

Overview

8.4
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Oct 10 2023
Last Updated Oct 10 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00606 — 0.44279 percentile
NVD CVSS 8.4 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Local
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: 7.3

EPSS Score

0.00606
probability of exploitation in the next 30 days
0.44279 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

6 affected products
Product KB Article Severity Impact Restart Required
Microsoft 365 Apps for Enterprise for 32-bit Systems Click to Run (Security Update) Important Elevation of Privilege No
Microsoft 365 Apps for Enterprise for 64-bit Systems Click to Run (Security Update) Important Elevation of Privilege No
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
Microsoft Office LTSC 2021 for 32-bit editions Click to Run (Security Update) Important Elevation of Privilege No
Microsoft Office LTSC 2021 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