Reference page — cumulative record through Thursday, October 8, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2017-8543

CVE-2017-8543CRITICAL

Microsoft Windows

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .7416   99.5   YES

AFFECTED
  Product            Versions                                                                                                                                                                                                                                                                           Fixed
  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. –  —

TIMELINE
  May 3   Reserved by microsoft
  Jun 15  Published (CNA: microsoft)
  May 24  Added to CISA KEV, remediation due 2022-06-14

CWE-281 · CNA: microsoft · CVSS v3.1 · 4 references · KEV due June 14, 2022

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".

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 3, 2017	Reserved	Reserved by microsoft
June 15, 2017	Published	Published (CNA: microsoft)
May 24, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-06-14

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
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.	—

Weaknesses

CWE-281

References (4)

http://www.securityfocus.com/bid/98824 [vdb-entry, x_refsource_BID]
http://www.securitytracker.com/id/1038667 [vdb-entry, x_refsource_SECTRACK]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543 [x_refsource_CONFIRM]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8543 [government-resource]

Authoritative record: CVE-2017-8543 at cve.org

Vendors: microsoft

Weaknesses: CWE-281

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2017-8543 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Thursday, October 8, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.