First day on Intigriti: our agent harness found and proved a remote code execution bug in Odoo's program.

CVE-2026-70321

HighCVSS 8.8/10Last modified Oct 24, 2026

Description

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

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Server Subscription Edition	>= 16.0.0, < 16.0.19725.20522

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70321Vendor Advisory, Patch

Timeline

Published: Aug 11, 2026
Last modified: Oct 24, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-703225.5Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.CVE-2026-703235.5Improper input validation in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-703248.8Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.CVE-2026-703255.5Improper input validation in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally.CVE-2026-703268.8Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.CVE-2026-703276.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-703286.5Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.CVE-2026-703298.8Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.CVE-2026-70338.8A vulnerability has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function fromSafeClientFilter of the file /gofor CVE-2026-703307.8Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.CVE-2026-703315.4Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a CVE-2026-703329.6Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized a

CVE-2026-70321: High severity, CVSS 8.8 | Vulnix