CVE-2025-64657
Azure Application Gateway Elevation of Privilege Vulnerability
Stack-based buffer overflow in Azure 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
- High
Exploit likelihood
What each source reports
CVE List Score used
Azure Application Gateway Elevation of Privilege Vulnerability
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2025-64657- 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/E:U/RL:O/RC:C - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2025-199683
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2025-199683- 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/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w337-cfcg-vpqj
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to...
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-w337-cfcg-vpqj- 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-121, CWE-787
- Updated
- 2026-11-02
NVD
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2025-64657- 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-787
- 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-2025-64657 is a critical vulnerability (CVSS 9.8) 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.