Critical CVSS 7.4 EPSS 0.16221 2023-12 archive

Executive Summary

None

Overview

7.4
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Spoofing
Released Dec 12 2023
Last Updated Dec 12 2023
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.16221 — 0.96534 percentile
NVD CVSS 7.4 HIGH — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Changed
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 8.3

EPSS Score

0.16221
probability of exploitation in the next 30 days
0.96534 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

2 affected products
Product KB Article Severity Impact Restart Required
Azure Logic Apps Release Notes (Security Update) Critical Spoofing Maybe
Microsoft Power Platform Release Notes (Security Update) Critical Spoofing Maybe

Patches

1 patch
Article Type Restart
Release Notes Security Update Maybe

Known Exploits

Acknowledgments

Kaixuan Luo with Summer Intern @ Samsung Research America, PhD Student @ The Chinese University of Hong Kong, Adonis Fung with Samsung Research America, Xianbo Wang (@sanebow), Wing Cheong Lau with The Chinese University of Hong Kong