CVE-2026-21512

Azure DevOps Server Cross-Site Scripting Vulnerability

MEDIUM

6.5

CVSS Score

Published: February 10, 2026 at 05:51 PM UTC

Updated: June 17, 2026 at 10:18 AM UTC

1 product affected across 1 vendorAzure DevOps Server

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Severity

MEDIUM6.5

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

Server-side request forgery (ssrf) in Azure DevOps Server allows an authorized attacker to perform spoofing over a network.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Azure DevOps Server · Microsoft

95%

v < 2022.2.020230131.0 ≤ v < 20260204.32022.2.0 2022.2.0 patch2 2022.2.0 patch3 2022.2.0 patch4 2022.2.0 patch5 2022.2.0 patch6 2022.2.0 patch7 2022.2.0 rc 20230131.0

Affected range stops below 20260204.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21512

References (1)

Vendor AdvisoryPatch

Source: cverecord

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21512

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMmicrosoft

Vector?

Quick Info

StatusANALYZED

CWE

CWE-918

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