Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-59273

32
FAUCET Score

CVE-2025-59273 is a critical improper access control vulnerability in Microsoft Azure Event Grid, allowing unauthenticated attackers to achieve full privilege escalation over a network. With a CVSS score of 9.8, this flaw presents a high risk of complete compromise (confidentiality, integrity, availability) without user interaction. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and community discussion is minimal, its high FAUCET Risk Score of 87/100 indicates significant potential impact. Organizations utilizing Azure Event Grid should prioritize patching to mitigate this severe threat.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_event_grid:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
28.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 6th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

microsoftvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2025-Oct/CVE-2025-59273Critical

Azure Event Grid System Elevation of Privilege Vulnerability

Oct 14, 2025

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2025-59273
Vendor Advisory