Actively exploited · Published Jun 15, 2017 · Assigned by microsoft

CVE-2017-8543

Critical 9.8 Exploited

In plain English

A critical-severity security flaw in Microsoft Windows from Microsoft Corporation. Attackers are actively exploiting it in the wild (listed by CISA on May 24, 2022). The chance it is exploited in the next 30 days is estimated at 74.2% (higher than 99.5% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)74.2%top 0.5% of all CVEs
Exploited in the wildYesCISA KEV since May 24, 2022
Attack tooling1Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Jun 14, 2022.

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".

Affected products (as reported)

VendorProductVersions
Microsoft Corporation Microsoft Windows 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.

Weakness: CWE-281 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References