CVE-2026-33844
CVE-2026-33844 is a critical-severity vulnerability in Microsoft Azure Managed Instance For Apache Cassandra with a CVSS 3.x base score of 9.0. 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-20.
Key facts
- Severity: Critical (CVSS 3.x base score 9.0)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-28451
- Weakness: CWE-20
- Affected product: Microsoft Azure Managed Instance For Apache Cassandra
- Published:
- Last modified:
Description
Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
Frequently asked questions
- What is CVE-2026-33844?
- Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.
- How severe is CVE-2026-33844?
- CVE-2026-33844 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-33844 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-33844?
- CVE-2026-33844 affects Microsoft Azure Managed Instance For Apache Cassandra. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-33844?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-33844 have an EU (EUVD) identifier?
- Yes. CVE-2026-33844 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28451.
- When was CVE-2026-33844 published?
- CVE-2026-33844 was published on 2026-05-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:azure_managed_instance_for_apache_cassandra:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Managed Instance For Apache Cassandra
- CVE-2026-33109 — Critical (CVSS 9.9): Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code…
- CVE-2024-38175 — Critical (CVSS 9.6): An improper access control vulnerability in the Azure Managed Instance for Apache Cassandra allows an authenticated…
All CVEs affecting Microsoft Azure Managed Instance For Apache Cassandra →
Other CWE-20 (Improper Input Validation) vulnerabilities
- CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
- CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
- CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…
Browse all CWE-20 (Improper Input Validation) vulnerabilities →