CVE-2025-64656

criticalpriority · track · 39EPSS 0.006 · 49 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.62% (49th) EPSS

CVSS 9.8 · critical

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-26

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

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:Csecondary · ENISA EU

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsecondary · secure@microsoft.com USexploitability 3.9 · impact 5.5

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.4criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USCWE-125US

affected products (9)

Products and version ranges known to be affected.

Microsoft Azure Application Gatewayall versionscert_bundDEcpe:/a:microsoft:azure:application_gateway
Microsoft Azure Bastionall versionscert_bundDEcpe:/a:microsoft:azure:bastion
Microsoft Azure Monitorall versionscert_bundDEcpe:/a:microsoft:azure:monitor
Microsoft Defender Portalall versionscert_bundDEcpe:/a:microsoft:defender:portal
Microsoft Dynamics 365 OmniChannel SDK Storage Containersall versionscert_bundDEcpe:/a:microsoft:dynamics_365:omnichannel_sdk_storage_containers
Microsoft SharePoint Onlineall versionscert_bundDEcpe:/a:microsoft:sharepoint:online
Microsoft Azure App Gatewayall versionsenisa_euvdEU
Azure App Gatewayall versionsfixedmsrc_csafUS
microsoft azure application gatewayall versionsnvdUScpe:2.3:a:microsoft:azure_application_gateway:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2688Microsoft Azure, SharePoint, Defender, Dynamics: Mehrere SchwachstellenDeutsch2025-11-26csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft Azure, Microsoft SharePoint, Microsoft Defender und Microsoft Dynamics 365 ausnutzen, um seine Privilegien zu erhöhen oder beliebigen Code auszuführen.
msrc_CVE-2025-64656Azure Application Gateway Elevation of Privilege Vulnerability2025-11-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2025-11-26modified 2026-10-18

references (3)

External citations — patches, advisories, analysis.

scry

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