Microsoft Excel Access Control Error Vulnerability

Microsoft Excel is a spreadsheet processing software in the Office suite from Microsoft USA. A security vulnerability exists in Microsoft Excel. An attacker could exploit the vulnerability to bypass certain features...

Microsoft Excel Code Execution Vulnerability (CNVD-2026-08747)

Microsoft Excel is a spreadsheet processing software in the Office suite from Microsoft USA. A security vulnerability exists in Microsoft Excel. An attacker could exploit the vulnerability to remotely execute code...

CVE-2026-20955

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20946

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

CVE-2026-20957

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

CVE-2026-20949

Improper access control in Microsoft Office Excel allows an unauthorized attacker to bypass a security feature locally...

CVE-2026-20950

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20956

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

Security Updates for Microsoft Excel Products C2R (January 2026)

The Microsoft Excel Products are missing a security update. It is, therefore, affected by the following vulnerabilities: - Multiple remote code execution vulnerabilities that attackers can exploit to bypass authentication and execute unauthorized arbitrary commands. CVE-2026-20946, CVE-2026-20950...

The vulnerability of Microsoft Excel spreadsheet editors in Microsoft Office packages and Microsoft 365 Apps for Enterprise allows a perpetrator to execute arbitrary code.

The vulnerability of Microsoft Excel spreadsheet editors within the Microsoft Office and Microsoft 365 Apps for Enterprise software packages is related to reading data beyond the buffer in memory. Exploitation of this vulnerability could allow an attacker to execute arbitrary code by sending a...

The vulnerability of Microsoft Office, Excel, and 365 Apps for Enterprise packages involves a calculated loss of significance, allowing an attacker to execute arbitrary code.

The vulnerability of Microsoft Office, Excel, and 365 Apps for Enterprise packages is related to a countable amount of data loss. Exploiting this vulnerability allows an attacker to execute arbitrary code...

CVE-2026-20955

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20956

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20957

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

CVE-2026-20955

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20956

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20957

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

CVE-2026-20950

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-20946

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

CVE-2026-20946

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