Critical CVSS 8.8 EPSS 0.37099 2022-05 archive

Executive Summary

None

Overview

8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
Category Remote Code Execution
Released May 10 2022
Last Updated May 10 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.37099 — 0.98321 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
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: 7.7

EPSS Score

0.37099
probability of exploitation in the next 30 days
0.98321 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

5 affected products
Product KB Article Severity Impact Restart Required
Remote Desktop client for Windows Desktop Release Notes (Security Update) Critical Remote Code Execution Maybe
Windows 11 version 21H2 for ARM64-based Systems 5013943 (Security Update) Critical Remote Code Execution Yes
Windows 11 version 21H2 for x64-based Systems 5013943 (Security Update) Critical Remote Code Execution Yes
Windows Server 2022 5013944 (Security Update) Critical Remote Code Execution Yes
Windows Server 2022 (Server Core installation) 5013944 (Security Update) Critical Remote Code Execution Yes

Patches

3 patches
Article Type Restart
Release Notes Security Update Maybe
5013943 Security Update Yes
5013944 Security Update Yes

Known Exploits

Acknowledgments