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PatchSiren cyber security CVE debrief

CVE-2026-12962 ASUS CVE debrief

CVE-2026-12962 Armoury Crate Security Policy Bypass. A permissive cross-domain security policy with untrusted domains in Armoury Crate allows a remote user to obtain a local user's NTLM hash by convincing the user to visit a crafted web page that sends a request containing a UNC path to the application's local service endpoint. This vulnerability has a medium severity and defenders of ASUS Armoury Crate applications should assess exposure and prioritize updating to the latest version. The CVE record and NVD entry provide details on this vulnerability.

Vendor
ASUS
Product
Armoury Crate
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-08
Advisory published
2026-09-08
Advisory updated
2026-09-08

Who should care

Defenders of ASUS Armoury Crate applications should assess exposure and prioritize updating to the latest version. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify Armoury Crate version and update to the latest version. Additional security measures may be necessary to protect against cross-domain security policy bypass. Defenders should review Armoury Crate logs for suspicious activity.

Why it matters

CVE-2026-12962 is a medium-severity vulnerability in Armoury Crate that allows remote attackers to obtain local user's NTLM hash. Defenders of ASUS Armoury Crate applications should assess exposure and prioritize updating to the latest version.

  • Remote attackers may obtain local user's NTLM hash
  • Defenders should verify Armoury Crate version and update to the latest version
  • Additional security measures may be necessary to protect against cross-domain security policy bypass

Technical summary

A permissive cross-domain security policy with untrusted domains in Armoury Crate allows a remote user to obtain a local user's NTLM hash by convincing the user to visit a crafted web page that sends a request containing a UNC path to the application's local service endpoint. This vulnerability has a medium severity and defenders of ASUS Armoury Crate applications should assess exposure and prioritize updating to the latest version. The CVE record and NVD entry provide details on this vulnerability. Armoury Crate applications are affected by this vulnerability.

Defensive priority

Medium priority for defenders of ASUS Armoury Crate applications

Recommended defensive actions

  • Review and update Armoury Crate to the latest version
  • Implement additional security measures to protect against cross-domain security policy bypass
  • Monitor Armoury Crate logs for suspicious activity
  • 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 on a permissive cross-domain security policy vulnerability in Armoury Crate. ASUS has released a security advisory with more information. The vulnerability allows remote attackers to obtain local user's NTLM hash by convincing the user to visit a crafted web page. Defenders should verify Armoury Crate version and update to the latest version. Additional security measures may be necessary to protect against cross-domain security policy bypass.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-12962 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-12962

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

  • CVE-2026-12962 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12962

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

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.asus.com/security-advisory

    54bf65a7-a193-42d2-b1ba-8e150d3c35e1

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.