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Microsoft · Windows

CVE-2023-36884

Microsoft Windows Search Remote Code Execution Vulnerability

CISA KEV record

CISA date added
2023-07-17
CISA due date
2023-08-29
Known ransomware use
Known

NVD risk context

7.5 HIGH

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Network
The vulnerable service can be reached remotely over a network.
Attack complexity
High
Exploitation depends on conditions outside the attacker’s direct control.
Privileges required
None
The attacker does not need an existing account or privileges.
User interaction
Required
A user must take an action, such as opening a file or link.

Description

Microsoft Windows Search contains an unspecified vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file, leading to remote code execution.

Required action

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

NVD reference index

Vendor and remediation references

NVD has tagged these sources as vendor advisories, patches, mitigations, or release notes.

Other NVD references (2)

MITRE CWE context

CWE classification

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

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NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
Jul 11, 2023, 07:15 PM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 06:07 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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CISA notes

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