Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges 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: CVE-2026-58277 (CVSS 8.8) Microsoft SharePoint privilege escalation flaw allows authenticated attackers to elevate privileges over network. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #DFIR https://t.co/pZJ40DIWSe
Post summary
The tweet alerts that Microsoft SharePoint has a privilege‑escalation flaw (CVE‑2026‑58277) and urges immediate patching, without indicating known exploitation or PoC.
🪟 SharePoint admins: patch CVE-2026-58277 now—before unsupported 2016/2019 servers turn “elevation of privilege” into “who owns the farm?” Install July updates, finish config, verify builds. https://windowsforum.com/threads/cve-2026-58277-patch-sharepoint-2016-2019-before-support-ends.438831/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PrivilegeEscalation #SharepointSecurity #MicrosoftPatches https://t.co/MFvkBmOECz
Post summary
The post urges SharePoint administrators to apply the CVE-2026-58277 patch before support ends, emphasizing configuration and update steps.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | microsoft | sharepoint_server | 2016 | - | - |
| App | microsoft | sharepoint_server | 2019 | - | - |