VulnerabilityUndergoing Analysis

CVE-2026-81349

Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.

HIGH 7.2EPSS 0.72%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.

CVSS 3.1: 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.72% probability · 52th percentile
CISA KEV: Not listed
Weakness: CWE-78
Source: secure@microsoft.com

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81349

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.