CVE-2026-20967: System Center Operations Manager (SCOM) Elevation of Privilege Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-10 · updated 2026-06-19
Weakness: CWE-20

Description

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

Affected products

Microsoft System Center 2019 Operations Manager: 2019, 2019-update_rollup_1, 2019-update_rollup_1_hotfix, 2019-update_rollup_2, 2019-update_rollup_2_hotfix, 2019-update_rollup_3 (+14)
Microsoft System Center Operations Manager 2019: from 10.19.0 before 10.19.10658.0 — fixed in 10.19.10658.0
Microsoft System Center Operations Manager 2022: from 10.22.0 before 10.22.11951.0 — fixed in 10.22.11951.0
Microsoft System Center Operations Manager 2025: from 1.0.0 before 10.25.10377.0 — fixed in 10.25.10377.0

How to fix

Upgrade to a fixed version: Microsoft System Center Operations Manager 2019 10.19.10658.0; Microsoft System Center Operations Manager 2022 10.22.11951.0; Microsoft System Center Operations Manager 2025 10.25.10377.0. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20967

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