CVE-2026-62829: 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.
Other sources
Microsoft SharePoint Server Spoofing Vulnerability
— Microsoft
Affected Software
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 16.0.10417.20198Patch KB5002896 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.19725.20522Patch KB5002893
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62829?
The severity of CVE-2026-62829 is medium at a score of 4.6.
How do I fix CVE-2026-62829?
To fix CVE-2026-62829, apply the latest security updates provided by Microsoft for SharePoint Server.
What type of vulnerability is CVE-2026-62829?
CVE-2026-62829 is a spoofing vulnerability caused by improper input neutralization in Microsoft SharePoint Server.
Which software is affected by CVE-2026-62829?
CVE-2026-62829 affects Microsoft SharePoint Server 2019 and Microsoft SharePoint Server Subscription Edition.
What impact does CVE-2026-62829 have on users?
CVE-2026-62829 allows an authorized attacker to potentially perform spoofing attacks over a network.