Critical CVSS 8.1 EPSS 0.00827 2026-05 archive

Executive Summary

Server-side request forgery (ssrf) in Azure Notification Service allows an authorized attacker to elevate privileges over a network.

Overview

8.1
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
Category Elevation of Privilege
Released May 12 2026
Last Updated May 12 2026
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00827 — 0.52636 percentile
NVD CVSS 8.1 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/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
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.1

EPSS Score

0.00827
probability of exploitation in the next 30 days
0.52636 percentile - updated 2026-06-21
View on FIRST.org

Known Exploits

Acknowledgments

Anonymous