CVE-2026-112736: Microsoft Office SharePoint Spoofing Vulnerability

Q: What level of access does an attacker need to exploit this issue?

The attacker must be authorized, meaning they need valid access to the affected SharePoint environment. No user interaction is required.

Q: Can this be exploited remotely?

Yes. The vulnerability is exploitable over a network, although the attack complexity is rated high.

Q: What is the known security impact?

The issue is classified as spoofing and involves server-side request forgery. The provided severity vector indicates a high confidentiality impact, with no integrity or availability impact listed.

Published Nov 10, 2026

Updated

Microsoft Office SharePoint Spoofing Vulnerability

Other sources

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

— Microsoft

Affected Software

1 affected componentFixes available

Microsoft SharePoint Server Subscription Edition<16.0.20326.20278

16.0.20326.20278

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.20326.20278Patch KB5002945

Event History

Nov 10, 2026

CVE Published

via Microsoft·04:00 PM

Data Sourced

via Microsoft·04:00 PM

DescriptionSeverityWeaknessAffected Software

CVE Published

via MITRE·06:21 PM

Data Sourced

via MITRE·06:21 PM

DescriptionSeverity

Data Sourced

via NVD·07:18 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

The attacker must be authorized, meaning they need valid access to the affected SharePoint environment. No user interaction is required.

Can this be exploited remotely?

Yes. The vulnerability is exploitable over a network, although the attack complexity is rated high.

What is the known security impact?

The issue is classified as spoofing and involves server-side request forgery. The provided severity vector indicates a high confidentiality impact, with no integrity or availability impact listed.

CVE-2026-112736: Microsoft Office SharePoint Spoofing Vulnerability

Other sources

Affected Software

Remediation

Event History

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

Can this be exploited remotely?

What is the known security impact?

Company

Resources

Contact

Frequently Asked Questions

What level of access does an attacker need to exploit this issue?

Can this be exploited remotely?

What is the known security impact?