CVE-2026-69417Important
Microsoft Office SharePoint Spoofing Vulnerability
Assessment
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.
- Severity
- Important
- CVSS base score
- 7.3CVSS:3.1/
AV:N/ AC:L/ PR:L/ UI:R/ S:U/ C:H/ I:H/ A:N/ E:U/ RL:O/ RC:C - Impact
- Spoofing
- EPSS, next 30 days
- 0.4%Higher than 36.2% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
- Exploitability
- Exploitation Less Likely
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- Microsoft Office SharePoint
- Weakness
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Issued by
- Microsoft
- Published
- 8 Sep 2026 · September 2026
- Last revised
- 8 Sep 2026
Updates that fix it
1 KB| KB | Type | Restart | Applies to | Other CVEs |
|---|---|---|---|---|
| KB5002908 | Security Update | — | Microsoft SharePoint Server Subscription Edition | All CVEs in KB5002908 |
Affected products
Microsoft Office1 affected product
- Microsoft SharePoint Server Subscription Edition