CVE-2017-8543: critical vulnerability in Microsoft Windows
Published · Updated
100Vexday Risk Score
Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.
ssvc Actcvss 9.8epss 74%
from disclosure to weapon4 days
Published on NVDJun 15
1st PoC+4d
CISA KEV+1804d
exploitation probability
74%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
1 public exploit(s)
Action required by CISAfederal deadline: 2022-06-14
Apply updates per vendor instructions.
In short
Windows Search has a memory handling flaw that lets attackers run harmful code on your computer without you doing anything. This is extremely dangerous because it gives full control of your system to the attacker.
Technical detail
A memory corruption vulnerability in Windows Search allows remote code execution through improper object handling. An attacker can exploit this via crafted content (e.g., malicious files indexed by Search) to achieve arbitrary code execution with the privileges of the affected process, impacting all listed Windows versions from XP through Windows 10/Server 2016.
Summary generated and translated by AI from the official description.
Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista, Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to take control of the affected system when Windows Search fails to handle objects in memory, aka "Windows Search Remote Code Execution Vulnerability".