What’s Vulnerable › Vulnerabilities

CVE-2026-90508: Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

• Severity: low (CVSS 3.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-13 · updated 2026-09-15
• Weakness: CWE-862

Description

A security flaw has been discovered in Chengdu Qilu Technology Ludashi 6.1026.4715.714. Affected by this vulnerability is the function MessageNotifyCallback in the library ProtectFilter64.sys of the component Message Dispatch Handler. Performing a manipulation results in missing authorization. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Chengdu Qilu Technology Ludashi: 6.1026.4715.714

References

• https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2
• https://vuldb.com/cve/CVE-2026-90508
• https://vuldb.com/submit/895271
• https://vuldb.com/vuln/403096
• https://vuldb.com/vuln/403096/cti

Get alerted when CVE-2026-90508 or the next vulnerability affects your stack