ZDI: Published Advisories The following is a list of publicly disclosed vulnerabilities discovered by Zero Day Initiative researchers. While the affected vendor is working on a patch for these vulnerabilities, TrendAI customers are protected from exploitation by security filters delivered ahead of public disclosure. All security vulnerabilities that are acquired by the Zero Day Initiative are handled according to the ZDI Disclosure Policy.
- ZDI-26-751: Microsoft Windows dxgkrnl Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerabilityon October 1, 2026 at 5:00 am
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2026-50375.
- ZDI-26-749: WatchGuard FireWare OS samld SAMLSession Deserialization of Untrusted Data Remote Code Execution Vulnerabilityon September 30, 2026 at 5:00 am
This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. An attacker must first obtain the ability to write to the samld session directory on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2026-13046.
- ZDI-26-750: WatchGuard FireWare OS spamd statushdlr Stack-based Buffer Overflow Remote Code Execution Vulnerabilityon September 30, 2026 at 5:00 am
This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-18145.
- ZDI-26-735: Foxit PDF Reader Doc Object Use-After-Free Information Disclosure Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-91806.
- ZDI-26-737: Foxit PDF Reader JPEG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-91808.
- ZDI-26-736: Foxit PDF Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-91807.
- ZDI-26-739: Foxit PDF Reader Doc Object Out-Of-Bounds Read Information Disclosure Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-91810.
- ZDI-26-738: Foxit PDF Reader Annotation Use-After-Free Information Disclosure Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-91809.
- ZDI-26-741: Foxit PDF Reader FoxitUpdater Improper Certificate Validation Local Privilege Escalation Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.1. The following CVEs are assigned: CVE-2026-91812.
- ZDI-26-740: Foxit PDF Reader PRC Stream Parsing Out-Of-Bounds Write Remote Code Execution Vulnerabilityon September 23, 2026 at 5:00 am
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-91811.





