CVE-2026-50515CWE-502insecure-deserialization

CVE-2026-50515

Critical · published August 7, 2026

CVSS v3.1
9.9
EPSS
2%
Percentile
76.9
In the wild
Unconfirmed
What it is

Deserialization of untrusted data in Azure Service Bus allows an authorized attacker to execute code over a network.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01694 · 76.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-08-07T04:16Z
Affected products (1)
ProductVersionsFixed in
microsoft/azure_service_busall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50515 · [email protected]
EPSS history
Timeline
  • 06 AUG 22:37Z
    Azure Service Bus Remote Code Execution Vulnerability
    cvelistv5