Microsoft Microsoft Office 365 For Mac

354 CVEs affecting Microsoft Microsoft Office 365 For Mac. Latest disclosed: 2026-10-13. Critical: 5, High: 238.

Top CVEs affecting Microsoft Microsoft Office 365 For Mac
CVE	Severity	Score	Published	Summary
`CVE-2026-88178`	Critical	`9.8`	2026-10-13	Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
`CVE-2026-88156`	Critical	`9.8`	2026-10-13	Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
`CVE-2026-70291`	Critical	`9.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
`CVE-2026-70096`	Critical	`9.8`	2026-10-13	Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.
`CVE-2026-78509`	Critical	`9.8`	2026-09-08	Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
`CVE-2026-97780`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97778`	High	`8.8`	2026-10-13	Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97777`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97776`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97775`	High	`8.8`	2026-10-13	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97773`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97772`	High	`8.8`	2026-10-13	Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97771`	High	`8.8`	2026-10-13	Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97770`	High	`8.8`	2026-10-13	Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97769`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97768`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97767`	High	`8.8`	2026-10-13	Double free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97766`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97765`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
`CVE-2026-97763`	High	`8.8`	2026-10-13	Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.