How severe is CVE-2023-36884?

CVE-2023-36884 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 98.9% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-36884: Windows Search Remote Code Execution Vulnerability

CISA Known Exploited Vulnerabilities

Microsoft Windows Search Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-07-17

Remediation due

2023-08-29

Ransomware

Known use

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36884; https://nvd.nist.gov/vuln/detail/CVE-2023-36884

Description

Windows Search Remote Code Execution Vulnerability

Severity

CVSS 3.1 · CNA7.5 HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Exploitation Context

as of October 13, 2026

All KEV statistics→

CISA added CVE-2023-36884 to the KEV catalog 6 days after its CVE record was published. The median for entries added in 2023 is 12 days.
It is one of 390 Microsoft entries in the CISA KEV catalog, and one of 27 added in 2023.
Its current EPSS score (98.9%) is higher than that of 86% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
Microsoft	Microsoft Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.20107
Microsoft	Microsoft Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.6167
Microsoft	Microsoft Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.4737
Microsoft	Microsoft Windows 10 Version 1809	10.0.0 to <10.0.17763.4737
Microsoft	Microsoft Windows 10 Version 21H2	10.0.19044.0 to <10.0.19044.3324
Microsoft	Microsoft Windows 10 Version 22H2	10.0.19045.0 to <10.0.19045.3324
Microsoft	Microsoft Windows 11 version 21H2	10.0.22000.0 to <10.0.22000.2295
Microsoft	Microsoft Windows 11 version 22H2	10.0.22621.0 to <10.0.22621.2134
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.22216
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1	6.1.7601.0 to <6.1.7601.26664
Microsoft	Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 to <6.1.7601.26664
Microsoft	Microsoft Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.22216
Microsoft	Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 to <6.0.6003.22216
Microsoft	Microsoft Windows Server 2012	6.2.9200.0 to <6.2.9200.24414
Microsoft	Microsoft Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.24414
Microsoft	Microsoft Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.21503
Microsoft	Microsoft Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.21503
Microsoft	Microsoft Windows Server 2016	10.0.14393.0 to <10.0.14393.6167
Microsoft	Microsoft Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.6167
Microsoft	Microsoft Windows Server 2019	10.0.17763.0 to <10.0.17763.4737
Microsoft	Microsoft Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.4737
Microsoft	Microsoft Windows Server 2022	10.0.20348.0 to <10.0.20348.1906

References

2 Links

Vendor advisories

Windows Search Remote Code Execution Vulnerability

Other references

http://seclists.org/fulldisclosure/2023/Jul/43

Record Details

Published

2023-07-11

Last updated

2026-08-10

Assigner (CNA)

microsoft

Credited to

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Tool categories

Application Security Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.

CVE-2023-36884