CVE-2026-63520
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
Scoring
- Severity
- HIGH
- CVSS base score
- 8.1
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- EPSS probability
- 2.89%
- CWE
- CWE-20
- Published
- 2026-08-11
- Last modified
- 2026-09-16
Affected products
- Microsoft Microsoft SharePoint Enterprise Server 2016
- Microsoft Microsoft SharePoint Server 2019
- Microsoft Microsoft SharePoint Server Subscription Edition
Weakness type
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