AUGUST 15, 2026
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Case File

CVE-2026-66805

HIGH · CVSS 8.8 EPSS 1.58%

Source: NVD + CISA KEV + EPSS · Published 2026-08-11 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

Microsoft Office SharePoint is vulnerable due to a deserialization flaw that enables authorized attackers to execute arbitrary code remotely. This high-severity vulnerability (CVSS 8.8) poses significant risks to organizations using affected products, particularly those with sensitive data or critical operations reliant on SharePoint. Organizations should prioritize patching this vulnerability to mitigate potential exploitation and protect their systems.

CVE
CVE-2026-66805
Severity
HIGH
CVSS
8.8
EPSS
1.58%
Microsoft SharePoint Office

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)