CVE-2025-64657
published 2025-11-26CVE-2025-64657: Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
PriorityP265critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.54%
41.5th percentile
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | azure_app_gateway | — | — |
| msrc | azure_app_gateway | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- ·Vulnerability has been fully mitigated server-side by Microsoft; no customer action or patching required. No public exploit or active exploitation has been observed. ↗
- ·CVE was issued purely for transparency purposes regarding a cloud-service-side fix, not to signal customer-facing exposure. ↗
- ·No public disclosure or in-the-wild exploitation confirmed at time of publication. ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc9.8CRITICAL
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GHSA
GHSA-w337-cfcg-vpqj: Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network
ghsa_unreviewed·2025-11-26
CVE-2025-64657 [CRITICAL] CWE-121 GHSA-w337-cfcg-vpqj: Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network
Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
Microsoft
Azure Application Gateway Elevation of Privilege Vulnerability
vendor_msrc·2025-11-11·CVSS 9.8
CVE-2025-64657 [CRITICAL] CWE-787 Azure Application Gateway Elevation of Privilege Vulnerability
Azure Application Gateway Elevation of Privilege Vulnerability
Description: Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.
FAQ: Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?
This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.
Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.
Azure Application Gateway: Azure Application Gateway
Microsoft: Microsoft
Customer Action Required: No
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Soft
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-11-26
Published