Cloud platform component; privilege escalation via SSRF in Azure RP; widely used by enterprises.
CVE-2026-26135
SSRF in Azure Custom Locations RP enables privilege escalation.
Is CVE-2026-26135 being exploited?
Not confirmed. CVE-2026-26135 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.60% probability of exploitation in the next 30 days.
How severe is CVE-2026-26135?
CVE-2026-26135 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-26135?
Yes. A fix has been recorded for CVE-2026-26135. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-26135 affect?
CVE-2026-26135 affects Azure Custom Locations Resource Provider (RP). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26135?
Patch when released; review RP permissions and enable monitoring.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
SSRF allows authorized attackers to elevate privileges within the Azure tenant/network.
Patch when possible