CVE-2026-26122
CVE-2026-26122 is a medium-severity vulnerability in Microsoft Aci Confidential Containers 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-1188.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9888
- Weakness: CWE-1188
- Affected product: Microsoft Aci Confidential Containers
- Published:
- Last modified:
Description
Initialization of a resource with an insecure default in Azure Compute Gallery allows an authorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-26122?
- Initialization of a resource with an insecure default in Azure Compute Gallery allows an authorized attacker to disclose information over a network.
- How severe is CVE-2026-26122?
- CVE-2026-26122 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 high, integrity none, and availability none.
- Is CVE-2026-26122 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-26122?
- CVE-2026-26122 affects Microsoft Aci Confidential Containers. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-26122?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-26122 have an EU (EUVD) identifier?
- Yes. CVE-2026-26122 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9888.
- When was CVE-2026-26122 published?
- CVE-2026-26122 was published on 2026-03-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:aci_confidential_containers:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Aci Confidential Containers
- CVE-2026-26124 — Medium (CVSS 6.7): '.../...//' in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.
- CVE-2026-23651 — Medium (CVSS 6.7): Permissive regular expression in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.
All CVEs affecting Microsoft Aci Confidential Containers →
Other CWE-1188 (Insecure Default Initialization of Resource) vulnerabilities
- CVE-2026-31957 — Critical (CVSS 10.0): Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 3.0.0 to before 3.1.0, if…
- CVE-2025-41672 — Critical (CVSS 10.0): A remote unauthenticated attacker may use default certificates to generate JWT Tokens and gain full access to the tool…
- CVE-2024-0001 — Critical (CVSS 10.0): A condition exists in FlashArray Purity whereby a local account intended for initial array configuration remains active…
- CVE-2024-2912 — Critical (CVSS 10.0): An insecure deserialization vulnerability exists in the BentoML framework, allowing remote code execution (RCE) by…
- CVE-2021-34795 — Critical (CVSS 10.0): Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON)…
- CVE-2017-7964 — Critical (CVSS 10.0): Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for…
Browse all CWE-1188 (Insecure Default Initialization of Resource) vulnerabilities →