CVE-2023-36884
Published 2023-07-11 · Updated 2026-08-10 · Source secure@microsoft.com
Summary
CVE-2023-36884 is a high-severity (CVSS 7.5) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on July 17, 2023, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by August 29, 2023. CISA also lists it as known to be used in ransomware campaigns, so it should be prioritised accordingly. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →Description
Windows Search Remote Code Execution Vulnerability
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Microsoft — Windows
Name: Microsoft Windows Search Remote Code Execution Vulnerability
Date added: 2023-07-17 · Due: 2023-08-29
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

