AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MicrosoftCVE-2026-70321

Microsoft SharePoint Server Subscription Edition: unsafe deserialization

Microsoft

CVE-2026-70321 · Published Aug 11, 2026 · updated Aug 13, 2026

High8.8
Fix: upgrade to 16.0.19725.20522 or later
Microsoft advisory

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected versions

PackageAffectedFixed in
Microsoft SharePoint Server Subscription Edition
Product
>= 16.0.0, < 16.0.19725.2052216.0.19725.20522
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-502

More Microsoft advisories

All Microsoft
High 7.1Aug 11Copilot Chat Security Feature Bypass VulnerabilityCVE-2026-65675fixed in 1.132.1High 7.8Aug 11Copilot Custom Agent Hook Remote Code Execution VulnerabilityCVE-2026-70335fixed in 1.132.1MediumAug 11Information disclosure vulnerabilityCVE-2026-47285fixed in 1.132.1High 8.8Aug 11Fileless RCE in VS Code Web Remote Terminal via URL-Controlled NODE_OPTIONSCVE-2026-70336fixed in 1.132.1High 8.8Aug 11Visual Studio Code web deployments - environmentService.ts - RCE via NODE_OPTIONS --import from URL payloadCVE-2026-69320fixed in 1.132.1High 7.8Aug 11TerminalInstance._createProcess - Workspace Trust bypass via terminal waitOnExitCVE-2026-69278fixed in 1.132.1