How severe is CVE-2026-45499?

CVE-2026-45499 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-45499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-45499?

CVE-2026-45499 affects Microsoft Azure Openai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-45499?

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.

When was CVE-2026-45499 published?

CVE-2026-45499 was published on 2026-07-02 and last updated on 2026-07-07.

CVE-2026-45499

CVE-2026-45499 is a critical-severity vulnerability in Microsoft Azure Openai with a CVSS 3.x base score of 9.9. 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Microsoft Azure Openai
Published: 2026-07-02
Last modified: 2026-07-07

Description

Server-side request forgery (ssrf) in Azure OpenAI allows an authorized attacker to elevate privileges over a network.

Frequently asked questions

What is CVE-2026-45499?: Server-side request forgery (ssrf) in Azure OpenAI allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-45499?: CVE-2026-45499 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-45499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-45499?: CVE-2026-45499 affects Microsoft Azure Openai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-45499?: 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.
When was CVE-2026-45499 published?: CVE-2026-45499 was published on 2026-07-02 and last updated on 2026-07-07.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45499

Affected products (1)

cpe:2.3:a:microsoft:azure_openai:-:*:*:*:*:*:*:*

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