CVE-2025-64656

CRITICAL
2025-11-26 [email protected]
9.4
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:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 19:24 vuln.today
CVE Published
Nov 26, 2025 - 01:16 nvd
CRITICAL 9.4

Tags

Buffer Overflow Information Disclosure Azure Application Gateway

Description

Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network.

Analysis

Out-of-bounds read in Application Gateway allows an unauthorized attacker to elevate privileges over a network. Rated critical severity (CVSS 9.4), 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 Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. Out-of-bounds read in 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 array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +47
POC: 0

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CVE-2025-64656 vulnerability details – vuln.today
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