Microsoft Security Center Center News

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

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

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

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.

Access of resource using incompatible type ('type confusion') in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a network.

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.

Product ui does not warn user of unsafe actions in Microsoft Office allows an unauthorized attacker to bypass a security feature over a network.

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

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information.

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information.

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information.