Recorded 23 Oct 2026 at 09:33 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVECISA Known Exploited Vulnerabilities

Microsoft SharePoint Improper Authentication Vulnerability

Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.

What it said

CVE: CVE-2025-49706
Vendor: Microsoft
Product: SharePoint
CISA KEV: Listed 22 Jul 2025
Known ransomware use: Yes
Federal remediation due: 23 Jul 2025

Recorded links

Source evidence when recorded

CISA KEV: Complete at observationRead 23 Oct 2026 at 09:33 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete