CVE-2017-8543
Microsoft Windows Search Remote Code Execution Vulnerability
- Critical 9.8
- Exploited: added to CISA KEV 24 May 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".
Key facts
- Published
- 15 Jun 2017
- Last changed
- 21 Oct 2025
- Assigned by
- microsoft
- KEV added
- 24 May 2022
- KEV fix due
- 14 Jun 2022
- EPSS
- 74.164% likely to be exploited in the next 30 days, higher than 99.493% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.8CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft Corporation | Microsoft Windows |
|
Timeline
- 15 Jun 2017 Published
- 24 May 2022 CVE-2017-8543 added to CISA KEV
- 24 May 2022 Added to the CISA KEV catalogue