CISA-confirmed known exploited vulnerability

CVE-2018-0824

Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability

Microsoft · Windows

Vulnerability details

Microsoft COM for Windows contains a deserialization of untrusted data vulnerability that allows for privilege escalation and remote code execution via a specially crafted file or script.

Added to CISA KEV: 2024-08-05

Ransomware campaign use: Unknown

CISA due date: 2024-08-26

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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