The vulnerability of Microsoft SharePoint Server and Microsoft SharePoint Enterprise Server packages lies in insufficient data validation, which allows attackers to perform cross-site scripting attacks.
🗓️ 26 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 5 Views
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | CVE-2026-20959 | 13 Jan 202618:01 | – | circl |
 | Microsoft SharePoint 跨站脚本漏洞 | 13 Jan 202600:00 | – | cnnvd |
 | CVE-2026-20959 | 13 Jan 202617:56 | – | cve |
 | CVE-2026-20959 Microsoft SharePoint Server Spoofing Vulnerability | 13 Jan 202617:56 | – | cvelist |
 | EUVD-2026-2101 | 13 Jan 202617:56 | – | euvd |
 | Description of the security update for SharePoint Server Subscription Edition: January 13, 2026 (KB5002822) | 13 Jan 202616:00 | – | mskb |
| Description of the security update for SharePoint Server 2019: January 13, 2026 (KB5002825) | 13 Jan 202616:00 | – | mskb |
| Description of the security update for SharePoint Server 2016: January 13, 2026 (KB5002828) | 13 Jan 202616:00 | – | mskb |
 | KLA90842 Multiple vulnerabilities in Microsoft Office | 13 Jan 202600:00 | – | kaspersky |
 | Microsoft SharePoint Server Spoofing Vulnerability | 13 Jan 202616:00 | – | mscve |
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26 Jan 2026 00:00Current
5.5Medium risk
Vulners AI Score5.5
CVSS 35.4
CVSS 25.5
EPSS0.06984