# CVE-2017-8543: Microsoft Windows Search Remote Code Execution Vulnerability

> CVE-2017-8543: Microsoft Windows Search Remote Code Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2017-8543
Last updated: 2025-10-21T23:55:39Z

- Published: 2017-06-15 01:00 UTC · Updated: 2025-10-21 23:55 UTC · Assigner: microsoft
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 74.4%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-05-24, federal due date 2022-06-14, ransomware use: Unknown

## 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".

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft Corporation: Microsoft Windows

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2017-8543)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2017-8543)
- [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8543)
- [http://www.securityfocus.com/bid/98824](http://www.securityfocus.com/bid/98824)
- [http://www.securitytracker.com/id/1038667](http://www.securitytracker.com/id/1038667)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2017-8543 · Markdown: https://rewindex.com/cve/CVE-2017-8543.md · JSON: https://rewindex.com/api/v1/cves/CVE-2017-8543 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:49:21.682Z