CVE-2026-20967

8.8

Microsoft · System Center Operations Manager

Improper input validation in Microsoft System Center Operations Manager allows an authenticated attacker to elevate privileges over the network.

Executive summary

A critical privilege escalation vulnerability in Microsoft System Center Operations Manager poses a significant risk of unauthorized administrative control over affected systems.

Vulnerability

The vulnerability stems from improper input validation (CWE-20) within the application, which can be exploited by an authenticated attacker to perform unauthorized privilege escalation across a network.

Business impact

The exploitation of this vulnerability allows an attacker with low-level access to gain elevated privileges, potentially resulting in full system compromise. Given the CVSS score of 8.8, this flaw represents a high-severity risk that could lead to unauthorized data access, lateral movement within the environment, and significant operational disruption.

Remediation

Immediate Action: Apply the vendor-provided security updates immediately to the affected System Center Operations Manager instances to patch the underlying input validation flaw.

Proactive Monitoring: Review audit logs for suspicious account activity or unusual administrative commands executed by low-privileged users.

Compensating Controls: Implement network segmentation to restrict access to the management server and ensure that only authorized personnel can interact with the affected service interfaces.

Exploitation status

Public Exploit Available: Unknown (No confirmed public exploit available).

Analyst recommendation

Given the potential for complete system compromise, organizations should treat this vulnerability as a high priority. Administrators must verify their current version of System Center Operations Manager and apply the necessary updates to ensure that the input validation controls are properly enforced.

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