What’s Vulnerable › Vulnerabilities

CVE-2024-21435: Windows OLE Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-12 · updated 2026-06-17
• Weakness: CWE-426

Description

Windows OLE Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 11: before 10.0.22621.3296 — fixed in 10.0.22621.3296
• Microsoft Windows 11: before 10.0.22631.3296 — fixed in 10.0.22631.3296
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.3296 — fixed in 10.0.22621.3296
• Microsoft Windows 11 version 22H3: from 10.0.22631.0 before 10.0.22631.3296 — fixed in 10.0.22631.3296
• Microsoft Windows 11: from 10.0.22631.0 before 10.0.22631.3296 — fixed in 10.0.22631.3296

How to fix

Upgrade to a fixed version: Microsoft Windows 11 10.0.22621.3296; Microsoft Windows 11 10.0.22631.3296; Microsoft Windows 11 10.0.22621.3296; Microsoft Windows 11 version 22H3 10.0.22631.3296; Microsoft Windows 11 10.0.22631.3296. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21435
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21435

Get alerted when CVE-2024-21435 or the next vulnerability affects your stack