Important CVSS 8.8 EPSS 0.00954 2023-12 archive

Executive Summary

None

Overview

8.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Dec 12 2023
Last Updated Dec 12 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00954 — 0.5669 percentile
NVD CVSS 8.8 HIGH — differs from MSRC

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Adjacent_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: 7.0

EPSS Score

0.00954
probability of exploitation in the next 30 days
0.5669 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

6 affected products
Product KB Article Severity Impact Restart Required
Windows 11 version 21H2 for ARM64-based Systems 5033369 (Security Update) Important Remote Code Execution Yes
Windows 11 version 21H2 for x64-based Systems 5033369 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 22H2 for ARM64-based Systems 5033375 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 22H2 for x64-based Systems 5033375 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for ARM64-based Systems 5033375 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 23H2 for x64-based Systems 5033375 (Security Update) Important Remote Code Execution Yes

Patches

2 patches
Article Type Restart
5033369 Security Update Yes
5033375 Security Update Yes

Known Exploits

Acknowledgments

Irwin Villalobos and Geoffrey Antos with Microsoft