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CVE-2026-47299 Microsoft CVE debrief

Microsoft Azure Monitor Agent Linux Extension vulnerability allows for elevation of privileges. The vulnerability is due to improper neutralization of special elements used in a command, which can be exploited over a network by an authorized attacker. This HIGH-severity vulnerability, tracked as CVE-2026-47299, affects Azure Monitor Agent Linux Extension versions prior to 1.43 and has a CVSS score of 7.2. Defenders responsible for Azure Monitor Agent Linux Extension deployments should assess exposure and prioritize updates to prevent potential privilege escalation attacks. The CVE record and source item provide details on the vulnerability, including its CVSS score and HIGH impact

Vendor
Microsoft
Product
Azure Monitor Agent Linux Extension
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-10-08
Advisory published
2026-08-11
Advisory updated
2026-10-08

Who should care

Defenders responsible for Azure Monitor Agent Linux Extension deployments should assess exposure and prioritize updates to prevent potential privilege escalation attacks.

Why it matters

CVE-2026-47299 is a HIGH-severity vulnerability in Azure Monitor Agent Linux Extension that allows for elevation of privileges. Defenders should prioritize verifying and updating affected versions to prevent potential attacks.

  • Verify and update Azure Monitor Agent Linux Extension versions to prevent potential privilege escalation attacks
  • Monitor network activity for potential exploitation attempts
  • Implement additional security measures to restrict unauthorized access

Technical summary

The Azure Monitor Agent Elevation of Privilege Vulnerability (CVE-2026-47299) is caused by improper neutralization of special elements used in a command, allowing an authorized attacker to elevate privileges over a network. The vulnerability affects Azure Monitor Agent Linux Extension versions prior to 1.43.

Defensive priority

Defenders should prioritize verifying and updating Azure Monitor Agent Linux Extension versions to prevent potential privilege escalation attacks.

Recommended defensive actions

  • Verify and update Azure Monitor Agent Linux Extension to version 1.43 or later
  • Monitor network activity for potential exploitation attempts
  • Implement additional security measures to restrict unauthorized access

Evidence notes

The CVE record and source item provide details on the vulnerability, including its CVSS score of 7.2 and HIGH severity. The affected product is Azure Monitor Agent Linux Extension, with versions prior to 1.43 being vulnerable.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47299 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47299

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

  • CVE-2026-47299 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47299

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

Supplemental references

  • Azure Monitor Agent Elevation of Privilege Vulnerability

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/47xxx/CVE-2026-47299.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47299

    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.