Important CVSS 7.8 EPSS 0.00668 2023-05 archive

Executive Summary

None

Overview

7.8
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released May 9 2023
Last Updated May 9 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00668 — 0.46991 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

0.00668
probability of exploitation in the next 30 days
0.46991 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

12 affected products
Product KB Article Severity Impact Restart Required
Windows 10 Version 20H2 for 32-bit Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 20H2 for ARM64-based Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for 32-bit Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for ARM64-based Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 21H2 for x64-based Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 22H2 for 32-bit Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 22H2 for ARM64-based Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 10 Version 22H2 for x64-based Systems 5026361 (Security Update) Important Remote Code Execution Yes
Windows 11 version 21H2 for ARM64-based Systems 5026368 (Security Update) Important Remote Code Execution Yes
Windows 11 version 21H2 for x64-based Systems 5026368 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 22H2 for ARM64-based Systems 5026372 (Security Update) Important Remote Code Execution Yes
Windows 11 Version 22H2 for x64-based Systems 5026372 (Security Update) Important Remote Code Execution Yes

Patches

3 patches
Article Type Restart
5026361 Security Update Yes
5026368 Security Update Yes
5026372 Security Update Yes

Known Exploits

Acknowledgments