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Vulnerability record · CVE-2025-64657 · published 26 November 2025

CVE-2025-64657: Microsoft azure application gateway out-of-bounds write vulnerability

Microsoft · Azure Application Gateway

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

9.8 CVSS 3.1 Critical EPSS 0.62% · top 52.3% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
0.62%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64657 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-64657), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.