CVE-2025-59273
Azure Event Grid System Elevation of Privilege Vulnerability
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Azure Event Grid System Elevation of Privilege Vulnerability
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2025-59273- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2025-35745
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2025-35745- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5wpc-p9f6-h8mw
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges...
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-5wpc-p9f6-h8mw- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
Improper access control in Azure Event Grid allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2025-59273- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-59273 is a high vulnerability (CVSS 7.3) in Microsoft Azure Event Grid System, published October 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.