CVE-2026-20509: Power HAL vulnerability
Published Sep 7, 2026
·Updated
In Power HAL, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11165543; Issue ID: MSV-9011.
Affected Software
1 affected component
Power HAL
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ALPS11165543
Event History
Sep 7, 2026
CVE Published
via MITRE·01:57 AM
Data Sourced
via MITRE·01:57 AM
DescriptionWeakness
Frequently Asked Questions
1
What level of access must an attacker already have?
Exploitation requires that the malicious actor has already obtained System privilege. The issue could then enable local escalation of privilege.
2
Is user interaction required for exploitation?
No. The vulnerability can be exploited without user interaction.
3
Which identifiers should be used to track remediation?
The listed patch ID is ALPS11165543, and the associated issue ID is MSV-9011.