EUVD-2026-55995

The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to...

CVE-2026-33921 Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0

The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to...

CVE-2026-65774: Heap-based Buffer Overflow

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-62768: Stack-based Buffer Overflow

Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-61938: Use After Free

Use after free in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-70346: Stack-based Buffer Overflow

Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-70347: Heap-based Buffer Overflow

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-70345: Heap-based Buffer Overflow

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-61925: Incorrect Authorization

Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-59127: Integer Overflow or Wraparound

Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally...

CVE-2026-33921: Initialization of a Resource with an Insecure Default

The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to...

PT-2026-70455

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A use-after-free condition occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. Use-after-free is a memory corruption issue where an...

PT-2026-70773

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A stack-based buffer overflow occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. A stack-based buffer overflow is a condition where a...

PT-2026-70774

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A heap-based buffer overflow occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. A heap-based buffer overflow is a memory corruption issu...

PT-2026-70520

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A stack-based buffer overflow occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. A stack-based buffer overflow is a condition where a...

PT-2026-70669

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A heap-based buffer overflow occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. A heap-based buffer overflow is a memory corruption issu...

PT-2026-70775

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A stack-based buffer overflow occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. A stack-based buffer overflow is a condition where a...

PT-2026-70776

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description A heap-based buffer overflow occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally. A heap-based buffer overflow is a memory corruption issu...

PT-2026-70407

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description An integer overflow or wraparound occurs in Windows Installer, which allows an authorized attacker to elevate privileges locally on the system. Recommendations At the moment, there ...

PT-2026-70444

Name of the Vulnerable Software and Affected Versions Windows Installer affected versions not specified Description Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally, which enables them to affect the system. Recommendations At the moment, the...