CVE-2017-8543

CVE-2017-8543 is a critical-severity (CVSS 9.8) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on May 24, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by June 14, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

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".

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

• http://www.securityfocus.com/bid/98824
• http://www.securitytracker.com/id/1038667
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543
• http://www.securityfocus.com/bid/98824
• http://www.securitytracker.com/id/1038667
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8543