How severe is CVE-2026-21512?

CVE-2026-21512 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-21512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-21512?

CVE-2026-21512 primarily affects Microsoft Azure Devops Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-21512?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21512 have an EU (EUVD) identifier?

Yes. CVE-2026-21512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7361.

When was CVE-2026-21512 published?

CVE-2026-21512 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-21512

CVE-2026-21512 is a medium-severity vulnerability in Microsoft Azure Devops Server with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7361
Weakness: CWE-918
Affected product: Microsoft Azure Devops Server
Published: 2026-02-10
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-21512?: Server-side request forgery (ssrf) in Azure DevOps Server allows an authorized attacker to perform spoofing over a network.
How severe is CVE-2026-21512?: CVE-2026-21512 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-21512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-21512?: CVE-2026-21512 primarily affects Microsoft Azure Devops Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-21512?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21512 have an EU (EUVD) identifier?: Yes. CVE-2026-21512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7361.
When was CVE-2026-21512 published?: CVE-2026-21512 was published on 2026-02-10 and last updated on 2026-06-17.

References

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

Affected products (9)

cpe:2.3:o:microsoft:azure_devops_server:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:-:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:patch2:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:patch3:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:patch4:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:patch5:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:patch6:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:patch7:*:*:*:*:*:*
cpe:2.3:o:microsoft:azure_devops_server:2022.2.0:rc:*:*:*:*:*:*

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