CVE-2026-50653

highpriority · track · 0EPSS 0.012 · 67 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.17% (67th) EPSS

CVSS 7.5 · high

Is it mine?

77 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Loop with unreachable exit condition ('infinite loop') in Azure Active Directory allows an unauthorized attacker to deny service over a network.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedAzure Active Directorymsrc_csaf
5.7.1:Security Update:https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/CHANGELOG.md
https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/blob/dev/CHANGELOG.md
FixedMicrosoft .NET Framework 3.5msrc_csaf
2.0.50727.8983 & 3.0.30729.8978:Security Update:https://support.microsoft.com/help/5100984
https://support.microsoft.com/help/5100984
FixedMicrosoft .NET Framework 3.5 AND 4.7.2msrc_csaf
2.0.50727.8983 & 3.0.30729.8978 & 4.7.4143.0:Security Update:https://support.microsoft.com/help/5099535
https://support.microsoft.com/help/5099535
FixedMicrosoft .NET Framework 3.5 AND 4.8msrc_csaf
2.0.50727.9182 & 3.0.30729.9168 & 4.8.4803.0:Security Update:https://support.microsoft.com/help/5101006
https://support.microsoft.com/help/5101006
FixedMicrosoft .NET Framework 3.5 AND 4.8.1msrc_csaf
2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0:Security Update:https://support.microsoft.com/help/5100998
https://support.microsoft.com/help/5100998
FixedMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2msrc_csaf
4.7.4143.0:Security Update:https://support.microsoft.com/help/5100990
https://support.microsoft.com/help/5100990
FixedMicrosoft .NET Framework 4.8msrc_csaf
4.8.4803.0:Security Update:https://support.microsoft.com/help/5101007
https://support.microsoft.com/help/5101007
FixedMicrosoft .NET Framework 4.8.1msrc_csaf
4.8.9340.0:Security Update:https://support.microsoft.com/help/5101002
https://support.microsoft.com/help/5101002

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · secure@microsoft.com USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/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: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-400USCWE-835USCWE-835USCWE-835USCWE-835US

affected products (77)

Products and version ranges known to be affected.

Microsoft Azure Active Directoryall versionscert_bundDEcpe:/a:microsoft:azure:active_directory
Microsoft Azure CycleCloud 8.9.1all versionscert_bundDEcpe:/a:microsoft:azure:cyclecloud_8.9.1
Microsoft Azure Monitor Agent Metrics Extensionall versionscert_bundDEcpe:/a:microsoft:azure:monitor_agent_metrics_extension
Microsoft Azure Open AIall versionscert_bundDEcpe:/a:microsoft:azure:open_ai
Microsoft Azure Spring Appsall versionscert_bundDEcpe:/a:microsoft:azure:spring_apps
Microsoft Azure Active Directory2021 → 8.19.2enisa_euvdEU
Microsoft Microsoft .NET Framework 3.53.5.0 → 2.0.50727.9182 & 3.0.30729.9168enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.7.24.7.0 → 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.84.8.0 → 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0enisa_euvdEU
Microsoft Microsoft .NET Framework 3.5 AND 4.8.14.8.1 → 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0enisa_euvdEU
Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.24.7.0 → 4.7.4143.0enisa_euvdEU
Microsoft Microsoft .NET Framework 4.84.8.0 → 4.8.4803.0enisa_euvdEU
Microsoft Microsoft .NET Framework 4.8.14.8.0.0 → 4.8.9340.0enisa_euvdEU
Microsoft Corp Azure Active Directory≤ 5.7.1fstec_bduRU
Microsoft Corp Azure Active Directory≤ 8.19.2fstec_bduRU
Microsoft Corp Azure Active Directory≤ 7.7.3fstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5≤ 4.7.4143.0fstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5≤ 3.0.30729.8978fstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5≤ 2.0.50727.8983fstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5≤ 3.0.30729.9067fstec_bduRU

showing 20 of 77

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2026-0233Kwetsbaarheden verholpen in Microsoft AzureNL2026-07-14csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Azure componenten.
WID-SEC-W-2026-2321Microsoft Azure: Mehrere SchwachstellenDeutsch2026-07-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen Microsoft Azure Komponenten ausnutzen, um seine Privilegien zu erhöhen und um einen Denial of Service Angriff durchzuführen.
msrc_CVE-2026-50653Azure Active Directory Denial of Service Vulnerability2026-07-14csaf · 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 fstec_bdu cert_bund ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2026-07-14modified 2026-08-03

references (3)

External citations — patches, advisories, analysis.

scry

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