What is CVE-2026-20967?

CVE-2026-20967 is a high-severity vulnerability in Microsoft System Center Operations Manager, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-03-10.

How severe is CVE-2026-20967?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Microsoft System Center Operations Manager

CVE-2026-20967

Improper input validation in System Center Operations Manager allows an authorized attacker to elevate privileges over a network.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft System_center_operations_manager — versions 2019, 2022, 2025
Microsoft System Center Operations Manager 2019 — versions 10.19.0
Microsoft System Center Operations Manager 2022 — versions 10.22.0
Microsoft System Center Operations Manager 2025 — versions 1.0.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-20967?: CVE-2026-20967 is a high-severity vulnerability in Microsoft System Center Operations Manager, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-03-10.
How severe is CVE-2026-20967?: High severity. CVSS v3 base score is 8.8 out of 10.