CVE-2026-42830: Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Q: How do I fix CVE-2026-42830?

azure monitor agent: upgrade to 1.42.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-42830 being exploited?

CVE-2026-42830 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-42830 affect?

CVE-2026-42830 affects azure monitor agent. Severity is medium (CVSS 6.5). Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Q: How urgent is CVE-2026-42830?

Priority 38/100. On your watchlist

Routine

MEDIUM 6.5WATCHLISTUPGRADE

CVE-2026-42830 is a medium-severity flaw (CVSS 6.5) affecting azure monitor agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-426
Published	2026-05-12
Last modified	2026-10-26

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 18:17 UTCPublished CVE record published
2026-10-26 18:10 UTCUpdated Record last modified

microsoft azure monitor agent UPGRADE

Affected: < 1.42.0

Fixed in: 1.42.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-monitor-agent || rpm -q azure-monitor-agent || azure-monitor-agent --version

2. UPGRADE to 1.42.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade azure-monitor-agent

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade azure-monitor-agent

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42830?

azure monitor agent: upgrade to 1.42.0. Exact commands for each OS are on this page.

Is CVE-2026-42830 being exploited?

CVE-2026-42830 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42830 affect?

CVE-2026-42830 affects azure monitor agent. Severity is medium (CVSS 6.5). Untrusted search path in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.

How urgent is CVE-2026-42830?

Priority 38/100. On your watchlist

Software pages

Azure vulnerabilities

Related CVEs

CVE-2026-32168 HIGH 7.8 UPGRADE Improper input validation in Azure Monitor Agent allows an authorized attacker to elevate privileges locally.
CVE-2026-32204 HIGH 7.8 UPGRADE External control of file name or path in Azure Monitor Agent allows an authorized attacker to elevate privileg
CVE-2026-32192 HIGH 7.8 UPGRADE Deserialization of untrusted data in Azure Monitor Agent allows an authorized attacker to elevate privileges l
CVE-2026-47299 HIGH 7.2 UPGRADE Improper neutralization of special elements used in a command ('command injection') in Azure Monitor Agent all

References

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