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CVE-2026-26135

Microsoft Azure Custom Locations Resource Provider server-side request forgery (SSRF)

9.6 CRITICALEPSS 0.75%
  1. Published2 Apr 2026

Description

Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Affected products

Microsoft Azure Custom Locations Resource Providerall versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2026-26135 being actively exploited?

CVE-2026-26135 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.75%.

How severe is CVE-2026-26135?

CVE-2026-26135 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.75% probability of exploitation.

Which products are affected by CVE-2026-26135?

Affected products include Microsoft Azure Custom Locations Resource Provider.

How do I fix CVE-2026-26135?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-26135 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.