How severe is CVE-2026-58279?

CVE-2026-58279 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-58279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-58279?

CVE-2026-58279 affects Microsoft Azure Cyclecloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-58279?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-58279 published?

CVE-2026-58279 was published on 2026-07-14 and last updated on 2026-07-22.

CVE-2026-58279

CVE-2026-58279 is a medium-severity vulnerability in Microsoft Azure Cyclecloud with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Microsoft Azure Cyclecloud
Published: 2026-07-14
Last modified: 2026-07-22

Description

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

Frequently asked questions

What is CVE-2026-58279?: Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-58279?: CVE-2026-58279 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-58279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-58279?: CVE-2026-58279 affects Microsoft Azure Cyclecloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-58279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-58279 published?: CVE-2026-58279 was published on 2026-07-14 and last updated on 2026-07-22.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58279

Affected products (1)

cpe:2.3:a:microsoft:azure_cyclecloud:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Azure Cyclecloud

CVE-2024-43602 — Critical (CVSS 9.9): Azure CycleCloud Remote Code Execution Vulnerability
CVE-2026-57969 — High (CVSS 8.8): Missing authentication for critical function in Azure CycleCloud allows an authorized attacker to elevate privileges…
CVE-2024-43469 — High (CVSS 8.8): Azure CycleCloud Remote Code Execution Vulnerability
CVE-2024-38092 — High (CVSS 8.8): Azure CycleCloud Elevation of Privilege Vulnerability
CVE-2024-29993 — High (CVSS 8.8): Azure CycleCloud Elevation of Privilege Vulnerability
CVE-2026-70340 — High (CVSS 8.1): Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.

All CVEs affecting Microsoft Azure Cyclecloud →

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-101000 — Critical (CVSS 10.0): A vulnerability was determined in Netcore NBR100V2 1.3.240614.030928. This affects the function uci.apply of the file…
CVE-2026-97360 — Critical (CVSS 10.0): HFS2 version 2.4.0 and earlier contains an unauthenticated arbitrary file access vulnerability that allows…
CVE-2026-65381 — Critical (CVSS 10.0): A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the…
CVE-2026-81648 — Critical (CVSS 10.0): The CryptoPayment Gateway WordPress plugin from 1.2.1 to 1.2.2 does not apply an authorization check on one of its AJAX…
CVE-2026-77770 — Critical (CVSS 10.0): The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not require a…
CVE-2026-65667 — Critical (CVSS 10.0): Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-862 (Missing Authorization) vulnerabilities →