Signal is active with 1 mentions in latest observed window
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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 1 product
🚨 HIGH severity XSS in Microsoft SharePoint (CVE-2026-55034) - CVSS 7.3. Authorized attackers can perform spoofing attacks over network. Patch immediately. #CVE #PatchNow #ThreatIntel https://t.co/XJAAnztfrG
Post summary
The tweet warns about a high‑severity XSS vulnerability in Microsoft SharePoint (CVE‑2026‑55034) and urges users to apply a patch immediately.
🪟 SharePoint’s latest “Important” flaw lets authenticated users inject content into pages others view. Patch July updates—because internal portals shouldn’t double as phishing kits. https://windowsforum.com/threads/cve-2026-55034-patch-sharepoint-xss-with-july-2026-updates.438686/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #XssVulnerability #SharepointSecurity #MicrosoftPatches #Cve202655034 https://t.co/bdGWwDhxjo
Post summary
SharePoint CVE-2026-55034, an authenticated XSS flaw, now has a July patch available; no PoC, exploit, or active exploitation is reported.
3 of 3 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | microsoft | sharepoint_server | - | - | - |
| App | microsoft | sharepoint_server | 2016 | - | - |
| App | microsoft | sharepoint_server | 2019 | - | - |