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PatchSiren cyber security CVE debrief

CVE-2026-50603 Acer CVE debrief

A vulnerability in the Acer Agent Service component of NitroSense and PredatorSense uses a hard-coded AES encryption key. This allows a local attacker to access protected information or perform unauthorized actions under certain circumstances. The Acer Agent Service component included with NitroSense and PredatorSense uses a hard-coded AES encryption key, which may allow a local attacker to access protected information or perform unauthorized actions. System administrators and security teams should assess their exposure and take necessary defensive actions.

Vendor
Acer
Product
Agent Service
CVSS
MEDIUM 4.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-17
Original CVE updated
2026-09-18
Advisory published
2026-09-17
Advisory updated
2026-09-18

Who should care

System administrators and security teams responsible for managing and securing Acer devices with NitroSense and PredatorSense should assess their exposure and take necessary defensive actions.

Why it matters

This vulnerability allows local attackers to access protected information or perform unauthorized actions using a hard-coded AES encryption key in the Acer Agent Service component. System administrators and security teams should assess their exposure and take necessary defensive actions.

  • Local attackers may be able to access sensitive information.
  • Unauthorized actions may be performed using the embedded encryption key.
  • Defenders should verify the integrity of the Acer Agent Service component and ensure it is properly configured.
  • Remediation priority is medium, as the vulnerability requires local access and specific circumstances to exploit.

Technical summary

The Acer Agent Service component included with NitroSense and PredatorSense uses a hard-coded AES encryption key. A local attacker may be able to use the embedded key to access protected information or perform unauthorized actions under certain circumstances. The vulnerability is caused by the use of a hard-coded AES encryption key within the software. Under certain circumstances, a local attacker may be able to use the embedded key to access protected information or perform unauthorized actions. This vulnerability allows local attackers to access protected information or perform unauthorized actions using a hard-coded AES encryption key in the Acer Agent Service component.

Defensive priority

Medium-priority defensive actions are recommended to address the potential risks associated with this vulnerability.

Recommended defensive actions

  • Review and update the Acer Agent Service component to ensure it is using a secure encryption key.
  • Implement additional security measures to monitor and restrict access to sensitive information.
  • Verify the integrity of the Acer Agent Service component and ensure it is properly configured.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, including its description and CVSS score. However, additional information about affected versions and remediation steps is limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-50603 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-50603

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-50603 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-50603

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://community.acer.com/en/kb/articles/19878

    8fc372e3-d9c5-46e4-9410-38469745c639

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.