CVE-2025-64656
Azure Application Gateway Elevation of Privilege Vulnerability
Out-of-bounds read in Application Gateway 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
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Azure Application Gateway Elevation of Privilege Vulnerability
Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2025-64656- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2025-199684
Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2025-199684- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pgrh-pvp5-q8cj
Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges...
Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-pgrh-pvp5-q8cj- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2025-64656- CVSS 3.1
- 9.4 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-125
- 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-2025-64656 is a critical vulnerability (CVSS 9.4) in Microsoft Azure Application Gateway, published November 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.