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Microsoft update

KB5002891

Security Update

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Fixed in

Fixes 40 records

Priority CRITICAL 100KEV

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

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.03042 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-502
Priority CRITICAL 99KEV

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.01011 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-306
Priority CRITICAL 98KEV

Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.69536 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-1390
Priority MEDIUM 42

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

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.0094 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 CWE-285
Priority MEDIUM 42

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

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.0094 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-862
Priority MEDIUM 41

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1HIGH 8.7 Network Low privileges User interaction EPSS 0.00946 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority MEDIUM 41

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1HIGH 8.7 Network Low privileges User interaction EPSS 0.00946 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 39

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

CVSS 3.1HIGH 8.4 Local No auth No interaction EPSS 0.00446 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 38

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

CVSS 3.1HIGH 8.1 Network No auth User interaction EPSS 0.00497 Published 2026-10-13 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-121
Priority LOW 37

Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-415
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1001 +3 CWE-122
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-416
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-122
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-122
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-121
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-121
Priority LOW 37

Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally.

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-122
Priority LOW 37

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

CVSS 3.1HIGH 7.8 Local No auth User interaction EPSS 0.00571 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-416
Priority LOW 35

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1HIGH 7.3 Network Low privileges User interaction EPSS 0.00649 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 31

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.00911 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-918
Priority LOW 31

External control of file name or path in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.01079 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-73
Priority LOW 28

Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 6.2 Local No auth No interaction EPSS 0.00449 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-190
Priority LOW 26

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 26

Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-197
Priority LOW 26

Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-1287
Priority LOW 26

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.111.26071215 +4 CWE-125
Priority LOW 26

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 26

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00574 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 26

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 26

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 26

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00595 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 25

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00583 Published 2026-07-16 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 25

Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges No interaction EPSS 0.00496 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-284
Priority LOW 25

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00583 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 25

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

CVSS 3.1MEDIUM 5.5 Local No auth User interaction EPSS 0.00513 Published 2026-07-14 Fixed in https://aka.ms/OfficeSecurityReleases, 16.0.5561.1000 +4 CWE-125
Priority LOW 25

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00583 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 25

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00583 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 25

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00583 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79
Priority LOW 25

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 5.4 Network Low privileges User interaction EPSS 0.00583 Published 2026-07-14 Fixed in 16.0.5561.1001, 16.0.10417.20175 +1 CWE-79