CVE-2026-62834CWE-347

CVE-2026-62834

Critical · published August 21, 2026

CVSS v3.1
9.3
EPSS
1%
Percentile
43.9
In the wild
Unconfirmed
What it is

Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00529 · 43.9th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-08-21T02:17Z
Affected products (1)
ProductVersionsFixed in
microsoft/azure_data_factoryall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62834 · [email protected]
EPSS history
Timeline
  • 20 AUG 21:43Z
    Azure Data Factory Elevation of Privilege Vulnerability
    cvelistv5