CVE-2026-42822: Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate priv

Q: How do I fix CVE-2026-42822?

azure local: upgrade to 2604.2.25645; azure resource manager: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2026-42822 being exploited?

CVE-2026-42822 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-2026-42822 affect?

CVE-2026-42822 affects azure local, azure resource manager. Severity is critical (CVSS 10.0). Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.

Q: How urgent is CVE-2026-42822?

Priority 59/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

This month

CRITICAL 10.0REMOTEWATCHLISTUPGRADEMITIGATE

CVE-2026-42822 is a critical-severity flaw (CVSS 10.0) affecting azure local, azure resource manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-287
Published	2026-05-18
Last modified	2026-10-14

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-18 18:17 UTCPublished CVE record published
2026-10-14 20:10 UTCUpdated Record last modified

microsoft azure local UPGRADE

Affected: < 2604.2.25645

Fixed in: 2604.2.25645

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-local || rpm -q azure-local || azure-local --version

2. UPGRADE to 2604.2.25645 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade azure-local

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade azure-local

Note

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

microsoft azure resource manager MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy azure-resource-manager || rpm -q azure-resource-manager || azure-resource-manager --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · proftpd · FIXED · 1.3.9e-1.fc46 · FEDORA-2026-fc0d87d66e · source

sudo dnf upgrade --advisory=FEDORA-2026-fc0d87d66e

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-2026-42822?

azure local: upgrade to 2604.2.25645; azure resource manager: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-42822 being exploited?

CVE-2026-42822 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-2026-42822 affect?

CVE-2026-42822 affects azure local, azure resource manager. Severity is critical (CVSS 10.0). Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.

How urgent is CVE-2026-42822?

Priority 59/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Azure vulnerabilities

References

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