CVE-2026-58279: Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.

Q: How do I fix CVE-2026-58279?

azure cyclecloud: upgrade to 8.9.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-58279 being exploited?

CVE-2026-58279 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-2026-58279 affect?

CVE-2026-58279 affects azure cyclecloud. Severity is medium (CVSS 6.5). Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.

Q: How urgent is CVE-2026-58279?

Priority 40/100. On your watchlist

This month

MEDIUM 6.5WATCHLISTUPGRADE

CVE-2026-58279 is a medium-severity flaw (CVSS 6.5) affecting azure cyclecloud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-07-14
Last modified	2026-10-24

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-14 17:17 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

microsoft azure cyclecloud UPGRADE

Affected: < 8.9.1

Fixed in: 8.9.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 8.9.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade azure-cyclecloud

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-2026-58279?

azure cyclecloud: upgrade to 8.9.1. Exact commands for each OS are on this page.

Is CVE-2026-58279 being exploited?

CVE-2026-58279 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-2026-58279 affect?

CVE-2026-58279 affects azure cyclecloud. Severity is medium (CVSS 6.5). Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.

How urgent is CVE-2026-58279?

Priority 40/100. On your watchlist

Software pages

Azure vulnerabilities

Related CVEs

CVE-2026-57969 HIGH 8.8 UPGRADE Missing authentication for critical function in Azure CycleCloud allows an authorized attacker to elevate priv
CVE-2026-70340 HIGH 8.1 UPGRADE Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
CVE-2026-65806 MEDIUM 6.5 UPGRADE Missing authorization in Azure CycleCloud allows an authorized attacker to disclose information over a network

References

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