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Public security advisories

GTP Security Intelligence

Current vulnerabilities, known exploitation, Microsoft security updates, and practical guidance from Griffin Technology Partners.

Primary sources

Microsoft Security Response Center
CISA Known Exploited Vulnerabilities

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Vulnerability intelligence

Security bulletins

Last collection: October 12, 2026
Six-hour refresh · Public-source information only

2,763 bulletins · Page 81 of 116

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High
CVE-2026-64897Microsoft

Microsoft SharePoint Server Spoofing Vulnerability

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
4.6
Update availability
Security update available

Affected: Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · +1 more

Updated

High
CVE-2026-64900Microsoft

Microsoft SharePoint Server Spoofing Vulnerability

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
7.3
Update availability
Security update available

Affected: Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · +1 more

Updated

High
CVE-2026-64902Microsoft

Microsoft SharePoint Server Spoofing Vulnerability

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
4.6
Update availability
Security update available

Affected: Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · +1 more

Updated

High
CVE-2026-64904Microsoft

Microsoft Office Remote Code Execution Vulnerability

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS
7.8
Update availability
Security update available

Affected: Microsoft 365 Apps for Enterprise for 32-bit Systems · Microsoft 365 Apps for Enterprise for 64-bit Systems · +9 more

Updated

High
CVE-2026-64916Microsoft

Microsoft SharePoint Server Spoofing Vulnerability

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
4.6
Update availability
Security update available

Affected: Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · +1 more

Updated

High
CVE-2026-64922Microsoft

Microsoft SharePoint Server Spoofing Vulnerability

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
4.6
Update availability
Security update available

Affected: Microsoft SharePoint Enterprise Server 2016 · Microsoft SharePoint Server 2019 · +1 more

Updated

High
CVE-2026-65656Microsoft

Microsoft Office Remote Code Execution Vulnerability

Improper neutralization of special elements used in a command ('command injection') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS
7.8
Update availability
Patch status unknown

Affected: Microsoft 365 Apps for Enterprise for 32-bit Systems · Microsoft 365 Apps for Enterprise for 64-bit Systems · +6 more

Updated

Sources & coverage

The collection starts with 90 days of Microsoft updates and CISA additions, plus older Microsoft vulnerabilities still listed by CISA. Older entries do not imply that a product remains supported. Counts describe this collection, not every vulnerability or any customer environment.

Microsoft Security Response Center (opens in a new tab)

Last successful check: October 12, 2026

CISA Known Exploited Vulnerabilities (opens in a new tab)

Last successful check: October 12, 2026

Managed by GTP?

Griffin Technology Partners managed customers may receive additional environment-specific security guidance and remediation assistance through their managed services relationship.

Security bulletins are provided for informational purposes and compiled from authoritative public sources. Vulnerability applicability varies by environment. Validate affected products, configuration, compatibility requirements, and vendor guidance before making production changes.