Important CVSS 7.8 EPSS 0.00809 2022-12 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
Category Remote Code Execution
Released Dec 13 2022
Last Updated Dec 13 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00809 — 0.52057 percentile
NVD CVSS 7.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
Required
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

0.00809
probability of exploitation in the next 30 days
0.52057 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

2 affected products
Product KB Article Severity Impact Restart Required
Microsoft 365 Apps for Enterprise for 32-bit Systems Click to Run (Security Update) Important Remote Code Execution No
Microsoft 365 Apps for Enterprise for 64-bit Systems Click to Run (Security Update) Important Remote Code Execution No

Patches

1 patch
Article Type Restart
Click to Run Security Update No

Known Exploits

Acknowledgments

Mat Powell of Trend Micro Zero Day Initiative