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CVE-2017-8543

Microsoft Windows Search Remote Code Execution

9.8 CRITICALActively exploited (CISA KEV)EPSS 74.2%
  1. Published14 Jun 2017
  2. Added to CISA KEV24 May 2022
  3. Remediation due14 Jun 2022
Actively exploited (CISA KEV)

Microsoft Windows allows an attacker to take control of the affected system when Windows Search fails to handle objects in memory.

Added to KEV: 24 May 2022Federal remediation due: 14 Jun 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".

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 10 1507all versions
Microsoft Windows 10 1511all versions
Microsoft Windows 10 1607all versions
Microsoft Windows 10 1703all versions
Microsoft Windows 7all versions
Microsoft Windows 8.1all versions
Microsoft Windows Rt 8.1all versions
Microsoft Windows Server 2008r2
Microsoft Windows Server 2012r2
Microsoft Windows Server 2016all versions

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2017-8543 being actively exploited?

Yes. CVE-2017-8543 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 24 May 2022.

How severe is CVE-2017-8543?

CVE-2017-8543 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 74.2% probability of exploitation.

Which products are affected by CVE-2017-8543?

Affected products include Microsoft Windows 10 1507, Microsoft Windows 10 1511, Microsoft Windows 10 1607, Microsoft Windows 10 1703, Microsoft Windows 7, and 5 more.

How do I fix CVE-2017-8543?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-8543 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.