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CVE-2026-58644

Overview

  • Microsoft
  • Microsoft SharePoint Enterprise Server 2016
14 Jul 2026
Published
24 Jul 2026
Updated
CVSS v3.1
CRITICAL (9.8)
EPSS
5.06%
KEV

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Statistics

  • 1 Post
  • 5 Interactions
Last activity: 3 hours ago

Bluesky

Profile picture fallback
The Shadowserver Foundation @shadowserver.bsky.social
Still seeing substantial amounts of Microsoft SharePoint unpatched instances that have been added to US CISA Known Exploited Vulnerability (KEV) catalog last few weeks. This includes CVE-2026-50522, CVE-2026-56164, CVE-2026-58644 with 878 IPs (1585 FQDNs) unpatched on 2026-07-23
  • 1
  • 4
  • 0
  • 3h ago

CVE-2026-56164

Overview

  • Microsoft
  • Microsoft SharePoint Enterprise Server 2016
14 Jul 2026
Published
24 Jul 2026
Updated
CVSS v3.1
MEDIUM (5.3)
EPSS
18.40%
KEV

Description

Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.

Statistics

  • 1 Post
  • 5 Interactions
Last activity: 3 hours ago

Bluesky

Profile picture fallback
The Shadowserver Foundation @shadowserver.bsky.social
Still seeing substantial amounts of Microsoft SharePoint unpatched instances that have been added to US CISA Known Exploited Vulnerability (KEV) catalog last few weeks. This includes CVE-2026-50522, CVE-2026-56164, CVE-2026-58644 with 878 IPs (1585 FQDNs) unpatched on 2026-07-23
  • 1
  • 4
  • 0
  • 3h ago
Showing 51 to 52 of 52 CVEs