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CVE-2026-96204 Microsoft CVE debrief

An elevation of privilege vulnerability exists in Azure Arc due to a server-side request forgery (SSRF) issue. This allows an authorized attacker to elevate privileges over a network. The vulnerability impacts Azure Arc deployments, particularly those with internet-accessible management interfaces. Defenders should assess exposure and apply patches or mitigations. The issue is caused by inadequate validation of network requests, allowing attackers to manipulate requests and gain elevated access.

Vendor
Microsoft
Product
Arc Enabled Servers - Azure Connected Machine Agent
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-13
Advisory published
2026-10-13
Advisory updated
2026-10-13

Who should care

Defenders responsible for Azure Arc deployments, especially those with internet-accessible management interfaces, should assess exposure and apply patches or mitigations.

Why it matters

An elevation of privilege vulnerability exists in Azure Arc due to a server-side request forgery (SSRF) issue. Defenders should prioritize verifying exposure and applying patches or mitigations.

  • Verify exposure of Azure Arc deployments
  • Apply patches or mitigations recommended by the vendor
  • Monitor for suspicious network activity

Technical summary

The vulnerability exists in Azure Arc due to a server-side request forgery (SSRF) issue. This allows an authorized attacker to elevate privileges over a network by manipulating network requests. The issue is caused by inadequate validation of network requests, allowing attackers to gain elevated access. The vulnerability impacts Azure Arc deployments, particularly those with internet-accessible management interfaces.

Defensive priority

Defenders should prioritize verifying exposure of Azure Arc deployments, especially those with internet-accessible management interfaces, and apply patches or mitigations as recommended by the vendor.

Recommended defensive actions

  • Verify exposure of Azure Arc deployments
  • Apply patches or mitigations recommended by the vendor
  • Monitor for suspicious network activity

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or affected versions. The vulnerability is confirmed to exist in Azure Arc, but specific details on affected versions or exploitation are not provided in the available sources. Defenders should verify exposure and apply patches or mitigations as recommended by the vendor.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-96204 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-96204

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-96204 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-96204

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Azure Arc Elevation of Privilege Vulnerability

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/96xxx/CVE-2026-96204.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96204

    Supplemental source - vendor-advisory, patch

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.