CVE-2025-64657

CRITICAL
2025-11-26 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:24 vuln.today
CVE Published
Nov 26, 2025 - 01:16 nvd
CRITICAL 9.8

Tags

Memory Corruption Buffer Overflow Microsoft Azure Application Gateway

Description

Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network.

Analysis

Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Stack-based buffer overflow in Azure Application Gateway allows an unauthorized attacker to elevate privileges over a network. Affected products include: Microsoft Azure Application Gateway.

Affected Products

Microsoft Azure Application Gateway.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +49
POC: 0

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CVE-2025-64657 vulnerability details – vuln.today
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