Microsoft Windows Search Remote Code Execution Vulnerability

Added to KEV
2022-05-24
Federal due date
2022-06-14
Vendor
Microsoft
Product
Windows
EPSS
99.4th percentile (score 0.851, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2017-8543

CISA short description

Microsoft Windows allows an attacker to take control of the affected system when Windows Search fails to handle objects in memory.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.