vulnerability
Microsoft SharePoint: CVE-2026-21260: Microsoft Outlook Spoofing Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:C/I:N/A:N) | Feb 10, 2026 | Feb 10, 2026 | Feb 20, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
Feb 10, 2026
Added
Feb 10, 2026
Modified
Feb 20, 2026
Description
Microsoft SharePoint: CVE-2026-21260: Microsoft Outlook Spoofing Vulnerability
Solutions
microsoft-sharepoint-sharepoint_2016-upgrade_latestmicrosoft-sharepoint-sharepoint_2019-upgrade_latestmicrosoft-sharepoint-sharepoint_subscription_edition-upgrade_latest
References
- https://support.microsoft.com/help/5002841
- https://support.microsoft.com/help/5002840
- https://support.microsoft.com/help/5002834
- https://support.microsoft.com/help/5002836
- https://support.microsoft.com/help/5002833
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21260
- CVE-2026-21260
- https://attackerkb.com/topics/CVE-2026-21260
- CWE-200
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