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16,745Advisories collected
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16,745 advisories
Each date says whether the vendor published or updated the bulletin. A vendor bulletin describes products that may be affected. It does not prove that the vulnerable product or version is installed in your environment.
Microsoft Security Response CenterCVE-2026-108452
HighCVSS 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected productsMicrosoft SharePoint Server Subscription Edition
Fixed versions16.0.20326.20190
Vendor guidance
Install KB5002927.
Microsoft Security Response CenterCVE-2026-108451
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108450
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108449
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases, 16.114.26101123
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108447
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108446
HighCVSS 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes Install KB5002928.
Microsoft Security Response CenterCVE-2026-108445
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108444
HighCVSS 8.8
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versionshttps://aka.ms/OfficeSecurityReleases, 16.114.26101123, 16.0.14334.20974, 16.0.17932.21056
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108443
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108442
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108441
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108438
HighCVSS 6.5
Microsoft Office Word Information Disclosure Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected productsMicrosoft 365 Apps for Enterprise for 64-bit Systems, Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024
Fixed versionshttps://aka.ms/OfficeSecurityReleases, 16.114.26101123
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108437
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108436
HighCVSS 6.5
Microsoft Office Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108435
HighCVSS 6.5
Microsoft Office Word Information Disclosure Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108434
HighCVSS 6.5
Microsoft Office Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108433
HighCVSS 7.8
Microsoft Office Word Security Feature Bypass Vulnerability
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108432
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2024 for 32-bit editions, Microsoft 365 Apps for Enterprise for 64-bit Systems, Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft Office LTSC for Mac 2021
Fixed versions16.0.17932.21056, https://aka.ms/OfficeSecurityReleases, 16.114.26101123, 16.0.14334.20974
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108431
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC for Mac 2021, Microsoft Office LTSC for Mac 2024, Microsoft Office 365 for Mac, Microsoft Office LTSC 2021 for 64-bit editions
Fixed versions16.114.26101123, 16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108430
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases, 16.114.26101123
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108429
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108428
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108427
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
Microsoft Security Response CenterCVE-2026-108426
HighCVSS 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected productsMicrosoft Office LTSC 2021 for 64-bit editions, Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions
Fixed versions16.0.14334.20974, 16.0.17932.21056, https://aka.ms/OfficeSecurityReleases
Vendor guidance
Release Notes
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Start with the vendor's bulletin.
We normalize the fields that vendors publish so you can search and compare advisories in one place. We do not replace the original bulletin or turn a product-name match into proof that a system is vulnerable.
Confirm the installed product and version, read the linked vendor guidance, and test the recommended update or mitigation through your normal change process.