CVE-2026-55052Patch(microsoft / sharepoint_server)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft sharepoint_server systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • sharepoint_server

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
sharepoint_server

2 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-15: 1Patch / Workaround · 2026-07-15: 1Technical Details · 2026-07-15: 107-15
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🪟 SharePoint just reminded admins that “authenticated” shouldn’t mean “almost root.” CVE-2026-55052 scores 8.8, so patching your farm beats farming attackers. https://windowsforum.com/threads/cve-2026-55052-patch-sharepoint-privilege-escalation-cvss-8-8.438755/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PrivilegeEscalation #SharepointSecurity #MicrosoftPatches #Cve202655052 https://t.co/7S23UCbko2

    Post summary

    The post stresses the need to apply the SharePoint patch for CVE‑2026‑55052, a privilege‑escalation flaw with CVSS 8.8.

    0000040
    1.2K followersView on X
CPE platform detail3 entries

3 of 3 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftsharepoint_server---
Appmicrosoftsharepoint_server2016--
Appmicrosoftsharepoint_server2019--

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