CVE-2026-62829: Microsoft SharePoint Server Spoofing Vulnerability
Published Aug 11, 2026
·Updated
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
4 affected componentsFixes available
Microsoft SharePoint Server Subscription Edition<16.0.19725.20522
16.0.19725.20522
Microsoft SharePoint Server 2019<16.0.10417.20198
16.0.10417.20198
Microsoft SharePoint Server<16.0.19725.20522
Microsoft SharePoint Server=2019
Remediation
Event History
Aug 11, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:03 PM
Data Sourced
via MITRE·05:03 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-62829?
The severity of CVE-2026-62829 is medium at a score of 4.6.
2
How do I fix CVE-2026-62829?
To fix CVE-2026-62829, apply the latest security updates provided by Microsoft for SharePoint Server.
3
What type of vulnerability is CVE-2026-62829?
CVE-2026-62829 is a spoofing vulnerability caused by improper input neutralization in Microsoft SharePoint Server.
4
Which software is affected by CVE-2026-62829?
CVE-2026-62829 affects Microsoft SharePoint Server 2019 and Microsoft SharePoint Server Subscription Edition.
5
What impact does CVE-2026-62829 have on users?
CVE-2026-62829 allows an authorized attacker to potentially perform spoofing attacks over a network.