How severe is CVE-2026-26148?

CVE-2026-26148 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26148 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26148?

CVE-2026-26148 affects Microsoft Azure Ad Ssh Login Extension For Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26148?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26148 have an EU (EUVD) identifier?

Yes. CVE-2026-26148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10702.

When was CVE-2026-26148 published?

CVE-2026-26148 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-26148

CVE-2026-26148 is a high-severity vulnerability in Microsoft Azure Ad Ssh Login Extension For Linux with a CVSS 3.x base score of 8.1. 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-454.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10702
Weakness: CWE-454
Affected product: Microsoft Azure Ad Ssh Login Extension For Linux
Published: 2026-03-10
Last modified: 2026-06-17

Description

External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2026-26148?: External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.
How severe is CVE-2026-26148?: CVE-2026-26148 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26148 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26148?: CVE-2026-26148 affects Microsoft Azure Ad Ssh Login Extension For Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26148?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26148 have an EU (EUVD) identifier?: Yes. CVE-2026-26148 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10702.
When was CVE-2026-26148 published?: CVE-2026-26148 was published on 2026-03-10 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26148

Affected products (1)

cpe:2.3:a:microsoft:azure_ad_ssh_login_extension_for_linux:*:*:*:*:*:*:*:*

Other CWE-454 vulnerabilities

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