Microsoft Office Excel buffer error vulnerability

Microsoft Excel is a spreadsheet software within the Office suite developed by the American company Microsoft. There is an information leakage vulnerability in Microsoft Excel, and attackers can exploit this vulnerability to obtain sensitive information...

PT-2026-47935

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs in Microsoft Office Excel, which allows an unauthorized attacker to execute arbitrary code locally or remotely, affecting the...

CVE-2026-44822: Out-of-bounds Read

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network...

PT-2026-47946

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description A protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally. Recommendations At the moment, there is no...

Microsoft Office Excel competitive condition issue vulnerability

Microsoft Excel is a spreadsheet software within the Office suite developed by the American company Microsoft. There is a code execution vulnerability in Microsoft Excel, and attackers can exploit this vulnerability to execute arbitrary code on the system...

Microsoft Win32k Digital Error Vulnerability

Microsoft Win32k is a system file used by Microsoft for multi-user management in Windows. There are security vulnerabilities in Microsoft Win32k. Attackers can exploit these vulnerabilities to execute unauthorized code...

Security Updates for Microsoft Office Online Server (June 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: - Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

Microsoft Office buffer error vulnerability

Microsoft Office is a suite of office software products developed by Microsoft Corporation in the United States. Common components of this product include Word, Excel, Access, PowerPoint, and FrontPage. There is a code execution vulnerability in Microsoft Office, which is caused by improper...

CVE-2026-44818: Concurrent Execution using Shared Resource with Improper Synchronization

Concurrent execution using shared resource with improper synchronization 'race condition' in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44817: Access of Resource Using Incompatible Type

Access of resource using incompatible type 'type confusion' in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44823: Numeric Truncation Error

Numeric truncation error in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-45469: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44820: Out-of-bounds Read

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

Microsoft Office Excel buffer error vulnerability

Microsoft Office Excel is a spreadsheet software developed by Microsoft in the United States. There is a security vulnerability in Microsoft Office Excel, which stems from integer underflow. This vulnerability may allow unauthorized attackers to execute code locally...

PT-2026-47956

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs in Microsoft Office Excel, which allows an unauthorized attacker to execute arbitrary code locally or remotely, potentially...

CVE-2026-45459: Protection Mechanism Failure

Protection mechanism failure in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally...

CVE-2026-45455: Out-of-bounds Read

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...

PT-2026-47942

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An out-of-bounds read allows an unauthorized attacker to disclose sensitive information over a network, which may subsequently affect the system. An out-of-bounds read occurs...

PT-2026-47932

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs in Microsoft Office Excel, which could allow an unauthorized attacker to execute code locally. Recommendations At the moment, the...

Microsoft Office buffer error vulnerability

Microsoft Office is a suite of office software products developed by Microsoft Corporation in the United States. Common components of this product include Word, Excel, Access, PowerPoint, and FrontPage. There is a security vulnerability in Microsoft Office, which stems from type confusion. This...