CVE-2026-77909: Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information

Q: How do I fix CVE-2026-77909?

azure cyclecloud: upgrade to 8.9.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-77909 being exploited?

CVE-2026-77909 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-2026-77909 affect?

CVE-2026-77909 affects azure cyclecloud. Severity is high (CVSS 7.7). Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.

Q: How urgent is CVE-2026-77909?

Priority 44/100. High severity; On your watchlist

This month

HIGH 7.7WATCHLISTUPGRADE

CVE-2026-77909 is a high-severity flaw (CVSS 7.7) affecting azure cyclecloud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-522
Published	2026-09-08
Last modified	2026-09-29

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-09-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-08 18:20 UTCPublished CVE record published
2026-09-29 19:40 UTCUpdated Record last modified

microsoft azure cyclecloud UPGRADE

Affected: < 8.9.2

Fixed in: 8.9.2

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 8.9.2 (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-2026-77909?

azure cyclecloud: upgrade to 8.9.2. Exact commands for each OS are on this page.

Is CVE-2026-77909 being exploited?

CVE-2026-77909 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-2026-77909 affect?

CVE-2026-77909 affects azure cyclecloud. Severity is high (CVSS 7.7). Insufficiently protected credentials in Azure CycleCloud allows an authorized attacker to disclose information over a network.

How urgent is CVE-2026-77909?

Priority 44/100. High severity; 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-2026-58279 MEDIUM 6.5 UPGRADE Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
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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