CVE-2017-8543

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.744 · 99 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

74.4% (99th) EPSS

CVSS 10 · high

Is it mine?

22 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-05-24remediate by 2022-06-14

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-22

Microsoft Windows Search Remote Code Execution Vulnerability

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

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-281USprimaryCWE-17US

exploits (1)

Public proof-of-concept and weaponised exploit code.

americanhanko/windows-security-cve-2017-8543InSpec profile to verify a node is patched and compliant for CVE-2017-8543PoC · poc_in_github

affected products (22)

Products and version ranges known to be affected.

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.enisa_euvdEU
Microsoft Corp Windows 10all versionsfstec_bduRU
Microsoft Corp Windows 7 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows 8.1all versionsfstec_bduRU
Microsoft Corp Windows RT 8.1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Windows Server 2012all versionsfstec_bduRU
Microsoft Corp Windows Server 2012 R2all versionsfstec_bduRU
Microsoft Corp Windows Server 2016all versionsfstec_bduRU
microsoft windows 10 1507all versionsnvdUScpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*
microsoft windows 10 1511all versionsnvdUScpe:2.3:o:microsoft:windows_10_1511:*:*:*:*:*:*:*:*
microsoft windows 10 1607all versionsnvdUScpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoft windows 10 1703all versionsnvdUScpe:2.3:o:microsoft:windows_10_1703:*:*:*:*:*:*:*:*
microsoft windows 7all versionsnvdUScpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*
microsoft windows 8.1all versionsnvdUScpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
microsoft windows rt 8.1all versionsnvdUScpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
microsoft windows server 2008all versionsnvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*
microsoft windows server 2008= r2nvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*
microsoft windows server 2012all versionsnvdUScpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

showing 20 of 22

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2017-06-15modified 2026-06-17

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Related entries.

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+395 more

references (12)

External citations — patches, advisories, analysis.

scry

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