CVE-2026-26118
SSRF in Azure MCP Server enables privilege escalation.
Is CVE-2026-26118 being exploited?
Not confirmed. CVE-2026-26118 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 0.96% probability of exploitation in the next 30 days.
How severe is CVE-2026-26118?
CVE-2026-26118 is rated High with a CVSS score of 8.8. 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-2026-26118?
Yes. A fix has been recorded for CVE-2026-26118. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-26118 affect?
CVE-2026-26118 affects Azure MCP Server. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26118?
Patch when released; restrict MCP exposure and monitor activity.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authorized SSRF allows network-wide privilege escalation on MCP Server; could access restricted resources.
Patch when possible
- affected>= 1.0.0 and < 1.0.2
- affected>= 1.0.0 and < 1.0.2
- affected>= 2.0.0-beta.1 and < 2.0.0-beta.17
- affected>= 2.0.0-beta.1 and < 2.0.0-beta.17
- affected>= 2.0.0-beta.1 and < 2.0.0-beta.17
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.