CVE-2026-70332CWE-79cross-site-scripting

CVE-2026-70332

Critical · published August 7, 2026

CVSS v3.1
9.6
EPSS
1%
Percentile
58.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00863 · 58.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-07T04:16Z
Affected products (1)
ProductVersionsFixed in
microsoft/sharepoint_onlineall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70332 · [email protected]
EPSS history
Timeline
  • 06 AUG 23:22Z
    Microsoft Office SharePoint Spoofing Vulnerability
    cvelistv5