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Updated 3 Nov 2026, 00:00 UK time

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Updated 8 Nov 2026, 14:52 UK time

Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilities
Type Vulnerability
Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilities " ": "Talos intelligence and world-class threat research team better protects you and your organisation against…
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-88178Updated 5d ago
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-97760Updated 1 Nov
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-97746Updated 1 Nov
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-97742Updated 1 Nov
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-88144Updated 1 Nov
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-97771Updated 1 Nov
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-97751Updated 1 Nov
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-96997Updated 1 Nov
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-97744Updated 1 Nov
Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-97005Updated 1 Nov
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-88169Updated 1 Nov
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-88175Updated 1 Nov
Stack-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-88156Updated 1 Nov
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-70291Updated 1 Nov
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-70206Updated 1 Nov
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-100212Updated 1 Nov
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-100209Updated 1 Nov
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-97768Updated 1 Nov
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024+1 more
CVE-2026-100210Updated 1 Nov
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network
Type Vulnerability
Microsoft is announcing the availability of the security updates for Microsoft Office for Mac.
Microsoft 365 Apps Microsoft Office 2021 Microsoft Office 2024
CVE-2026-100211Updated 1 Nov