Important CVSS 5.5 EPSS 0.00589 2023-08 archive

Executive Summary

None

Overview

5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Security Feature Bypass
Released Aug 8 2023
Last Updated Aug 8 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00589 — 0.43485 percentile
NVD CVSS 5.5 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.8

EPSS Score

0.00589
probability of exploitation in the next 30 days
0.43485 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

10 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 21H2 for 32-bit Systems 5029244 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for ARM64-based Systems 5029244 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 21H2 for x64-based Systems 5029244 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for 32-bit Systems 5029244 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for ARM64-based Systems 5029244 (Security Update) Important Security Feature Bypass Yes
Windows 10 Version 22H2 for x64-based Systems 5029244 (Security Update) Important Security Feature Bypass Yes
Windows 11 version 21H2 for ARM64-based Systems 5029253 (Security Update) Important Security Feature Bypass Yes
Windows 11 version 21H2 for x64-based Systems 5029253 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 22H2 for ARM64-based Systems 5029263 (Security Update) Important Security Feature Bypass Yes
Windows 11 Version 22H2 for x64-based Systems 5029263 (Security Update) Important Security Feature Bypass Yes

Patches

3 patches
Article Type Restart
5029244 Security Update Yes
5029253 Security Update Yes
5029263 Security Update Yes

Known Exploits

Acknowledgments

Justin Decker