How severe is CVE-2026-62836?

CVE-2026-62836 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-62836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-62836?

CVE-2026-62836 affects Microsoft Azure Sql Managed Instance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-62836?

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.

When was CVE-2026-62836 published?

CVE-2026-62836 was published on 2026-08-07 and last updated on 2026-08-12.

CVE-2026-62836

CVE-2026-62836 is a high-severity vulnerability in Microsoft Azure Sql Managed Instance with a CVSS 3.x base score of 8.7. 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-923.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-923
Affected product: Microsoft Azure Sql Managed Instance
Published: 2026-08-07
Last modified: 2026-08-12

Description

Improper restriction of communication channel to intended endpoints in Azure SQL Managed Instance allows an unauthorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-62836?: Improper restriction of communication channel to intended endpoints in Azure SQL Managed Instance allows an unauthorized attacker to elevate privileges over a network.
How severe is CVE-2026-62836?: CVE-2026-62836 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-62836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-62836?: CVE-2026-62836 affects Microsoft Azure Sql Managed Instance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-62836?: 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.
When was CVE-2026-62836 published?: CVE-2026-62836 was published on 2026-08-07 and last updated on 2026-08-12.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62836

Affected products (1)

cpe:2.3:a:microsoft:azure_sql_managed_instance:-:*:*:*:*:*:*:*

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