ZDI-26-542: Microsoft Windows UMPDDrvBitBlt Improper Object Management Local Privilege Escalation Vulnerability
Brief
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.
- The following CVEs are assigned: CVE-2026-62735.
All credited sources
Highest-trust first. Dates are the publisher's original publish time.
ZDI-26-541: (Pwn2Own) Microsoft Windows win32kfull Use-After-Free Local Privilege Escalation Vulnerability
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-2026-65775.
ZDI-26-539: (Pwn2Own) Microsoft Windows ipt.sys Incorrect Permission Assignment Local Privilege Escalation Vulnerability
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 7. 8. The following CVEs are assigned: CVE-2026-65773.
ZDI-26-537: (Pwn2Own) Microsoft Windows storport Integer Overflow Local Privilege Escalation Vulnerability
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-2026-65814.
ZDI-26-536: (Pwn2Own) Microsoft Windows http.sys Integer Overflow Local Privilege Escalation Vulnerability
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-2026-62735.
ZDI-26-542: Microsoft Windows UMPDDrvBitBlt Improper Object Management Local Privilege Escalation Vulnerability
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 7. 8. The following CVEs are assigned: CVE-2026-62712.