Critical CVSS 8.8 EPSS 0.02146 2021-11 archive

Executive Summary

None

Overview

8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Nov 9 2021
Last Updated Nov 9 2021
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.02146 — 0.79707 percentile
NVD CVSS 8.8 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7

EPSS Score

0.02146
probability of exploitation in the next 30 days
0.79707 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

2 affected products
Product KB Article Severity Impact Restart Required
Microsoft Dynamics 365 (on-premises) version 9.0 5008479 (Security Update) Critical Remote Code Execution Maybe
Microsoft Dynamics 365 (on-premises) version 9.1 5008478 (Security Update) Critical Remote Code Execution Maybe

Patches

2 patches
Article Type Restart
5008479 Security Update Maybe
5008478 Security Update Maybe

Known Exploits

Acknowledgments

None