Microsoft Office SharePoint Spoofing Vulnerability

Date Aug 6, 2026

Type Patch Tuesday

Signal Critical vendor advisory

Vendor / Product Microsoft · Microsoft Office SharePoint

CVE CVE-2026-70332

Critical vendor advisory CVE-2026-70332

Summary

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network. Published in August 2026 Early Security Updates. MSRC exploitability: Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A.

Why it matters

Microsoft published this item through its Security Update Guide, making it part of Patch Tuesday triage for affected Windows, cloud, or application estates. EPSS percentile: 36%.

Operator check

Review the Microsoft Security Update Guide entry for CVE-2026-70332. Confirm whether Microsoft Office SharePoint is deployed, then apply the current security update or documented mitigation. CVSS score: 9.6. EPSS probability: 0.4%; percentile: 36%.

Sources

MSRC 2026-Aug Security Update Guide NVD — CVE-2026-70332

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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