VulnSocial

CVE-2026-55030Patch(microsoft / sharepoint_server)

LOWCVSS 5.4 · MEDIUM

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

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-79

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
microsoft
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’s latest XSS flaw needed a valid account and a click, but “low severity” is cold comfort when attackers can plant fake content. Patch it before trust gets phished. https://windowsforum.com/threads/cve-2026-55030-sharepoint-xss-fixed-in-july-2026-updates.438681/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #SharepointSecurity #MicrosoftPatches #Cve202655030 #CrossSiteScripting https://t.co/0oNL1YmpBp

    Post summary

    The tweet highlights SharePoint XSS (CVE‑2026‑55030), notes that a valid account and a user click are required, warns that low severity may mislead about risk, and urges installing the July 2026 patch to prevent fake content injection.

    000007
    1.2K followersView on X
CPE platform detail3 entries

3 of 3 entries

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

Explore more

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