PT-2026-58345

Name of the Vulnerable Software and Affected Versions Windows Resilient File System ReFS affected versions not specified Description A heap-based buffer overflow exists in the Windows Resilient File System ReFS, which allows an unauthorized attacker to execute code locally. This issue occurs duri...

PT-2026-58563

Name of the Vulnerable Software and Affected Versions Microsoft Office PowerPoint affected versions not specified Description A heap-based buffer overflow occurs when a program writes more data to a heap memory block than it can hold, potentially corrupting memory. This issue allows an unauthoriz...

PT-2026-58238

Name of the Vulnerable Software and Affected Versions Windows 10 Version 1607 Description A heap-based buffer overflow exists in the Windows Message Queuing Queue Manager. This issue allows an unauthorized attacker to execute arbitrary code locally or remotely, potentially affecting the system...

PT-2026-58239

Name of the Vulnerable Software and Affected Versions Microsoft Windows Media Foundation affected versions not specified Description A heap-based buffer overflow exists in Microsoft Windows Media Foundation. This issue allows an unauthorized attacker to execute code locally or achieve remote code...

PT-2026-58548

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An out-of-bounds read exists in Microsoft Office Excel, which allows an unauthorized attacker to execute code locally when a user opens a malicious file. Recommendations Apply...

PT-2026-58557

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A heap-based buffer overflow exists in Microsoft Office Excel, which allows an unauthorized attacker to execute code locally. This issue can be triggered when a user opens a...

PT-2026-58169

Name of the Vulnerable Software and Affected Versions Windows NTFS affected versions not specified Description A heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute arbitrary code locally and remotely, potentially affecting the entire system. A heap-based buffer...

PT-2026-58296

Name of the Vulnerable Software and Affected Versions Microsoft Office affected versions not specified Description A use after free issue exists that allows an unauthorized attacker to execute arbitrary code locally or remotely, potentially affecting the entire system. Use after free is a memory...

PT-2026-58570

Name of the Vulnerable Software and Affected Versions Microsoft Office Word affected versions not specified Description A heap-based buffer overflow exists in Microsoft Office Word, which could allow an unauthorized attacker to execute code locally. This issue can be triggered via the Preview Pan...

PT-2026-58515

Name of the Vulnerable Software and Affected Versions Windows Terminal affected versions not specified Description An integer overflow or wraparound occurs in Windows Terminal, which could allow an unauthorized attacker to execute code locally. An integer overflow happens when an arithmetic...

PT-2026-58575

Name of the Vulnerable Software and Affected Versions Microsoft Office Word affected versions not specified Description A double free issue exists in Microsoft Office Word, which allows an unauthorized attacker to execute code locally. This occurs when a victim opens a specially crafted file,...

PT-2026-58718

Name of the Vulnerable Software and Affected Versions .NET affected versions not specified Microsoft Visual Studio affected versions not specified Description An issue exists in the deserialization mechanism of .NET and Microsoft Visual Studio. Deserialization is the process of converting a strea...

PT-2026-58518

Use after free in Windows DHCP Client allows an unauthorized attacker to execute code locally...

Security Updates for Microsoft Office Online Server (July 2026)

The Microsoft Office Online Server or Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. CVE-2026-47642,...

PT-2026-58443

Name of the Vulnerable Software and Affected Versions Microsoft Office affected versions not specified Description A use after free issue exists in Microsoft Office, which could allow an unauthorized attacker to execute code locally. This occurs when a user opens a specially crafted file locally ...

PT-2026-58643

Name of the Vulnerable Software and Affected Versions Windows Resilient File System ReFS affected versions not specified Description A heap-based buffer overflow occurs in the Windows Resilient File System ReFS, which is a file system designed for high availability and scalability. This flaw allo...

PT-2026-58572

Name of the Vulnerable Software and Affected Versions Microsoft Office affected versions not specified Description A heap-based buffer overflow exists in Microsoft Office, which allows an unauthorized attacker to execute code locally. This can occur through the processing of malicious files and...

PT-2026-58589

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A heap-based buffer overflow occurs when a program writes more data to a heap memory block than it can hold, potentially corrupting memory. This issue allows an unauthorized...

PT-2026-58318

Name of the Vulnerable Software and Affected Versions Windows Media affected versions not specified Description A heap-based buffer overflow exists in Windows Media, which could allow an authorized attacker with local access to execute arbitrary code locally. A heap-based buffer overflow occurs...

PT-2026-58544

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs when an arithmetic operation results in a value smaller than the minimum representable value for the data type, causing it to wra...