Is CVE-2023-36884 actively exploited?

Yes. KEV Intelligence tracks CVE-2023-36884 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2023-36884. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2023-36884 affects Microsoft Windows 10 Version 1507 and 20 other products. KEV Intelligence lists 22 version rows; examples include 10.0.10240.0 to < 10.0.10240.20107, 10.0.14393.0 to < 10.0.14393.6167, and 10.0.17763.0 to < 10.0.17763.4737.

Yes. CVE-2023-36884 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

CVE-2023-36884 Exploited in the Wild — Windows 10 Version 1507, Windows 10 Version 1607, Windows 10 Version 1809, Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 21H2, Windows 11 version 22H2, Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation), Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022

Q: What is CVE-2023-36884?

CVE-2023-36884 is an unauthenticated Windows Search Remote Code Execution Vulnerability affecting Microsoft Windows 10 Version 1507 and 20 other products.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2023-36884 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-36884 is an unauthenticated Windows Search Remote Code Execution Vulnerability affecting Microsoft Windows 10 Version 1507 and 20 other products.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Windows 10 Version 1507 affected before 10.0.10240.20107.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Windows Search Remote Code Execution Vulnerability

Vendor Product Affected Status

Microsoft Windows 10 Version 1507 Before 10.0.10240.20107 Affected

Microsoft Windows 10 Version 1607 Before 10.0.14393.6167 Affected

Microsoft Windows 10 Version 1809 Before 10.0.17763.4737 Affected

Microsoft Windows 10 Version 21H2 Before 10.0.19044.3324 Affected

Microsoft Windows 10 Version 22H2 Before 10.0.19045.3324 Affected

Microsoft Windows 11 version 21H2 Before 10.0.22000.2295 Affected

Microsoft Windows 11 version 22H2 Before 10.0.22621.2134 Affected

Microsoft Windows Server 2008 Service Pack 2 Before 6.0.6003.22216 Affected

Microsoft Windows Server 2008 R2 Service Pack 1 Before 6.1.7601.26664 Affected

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Before 6.1.7601.26664 Affected

Microsoft Windows Server 2008 Service Pack 2 Before 6.0.6003.22216 Affected

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Before 6.0.6003.22216 Affected

Microsoft Windows Server 2012 Before 6.2.9200.24414 Affected

Microsoft Windows Server 2012 (Server Core installation) Before 6.2.9200.24414 Affected

Microsoft Windows Server 2012 R2 Before 6.3.9600.21503 Affected

Microsoft Windows Server 2012 R2 (Server Core installation) Before 6.3.9600.21503 Affected

Microsoft Windows Server 2016 Before 10.0.14393.6167 Affected

Microsoft Windows Server 2016 (Server Core installation) Before 10.0.14393.6167 Affected

Microsoft Windows Server 2019 Before 10.0.17763.4737 Affected

Microsoft Windows Server 2019 (Server Core installation) Before 10.0.17763.4737 Affected

Microsoft Windows Server 2022 Before 10.0.20348.1906 Affected

View vendor advisory

Published: 11 Jul 2023
Exploitation Reported: 17 Jul 2023
Attack vector: Remote
Complexity: High
Privileges: None
User interaction: Required

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-36884
Windows Search Remote Code Execution Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36884

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 17 Jul 2023

Independent exploitation attestation added to the KEV Intelligence record.

Used in malware

CISA

Recorded 17 Jul 2023

Malware families have been linked to exploitation of this CVE.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
CISA First	2023-07-17 00:00 UTC
CVE	2026-08-10 15:32 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nessus template detected 02 Jun 2025.

View Nessus template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/179501	02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.5 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

EPSS

98.9%

Weaknesses

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

Recent mention · Google Threat Intelligence

Written by: Casey Charrier, James Sadowski, Clement Lecigne, Vlad Stolyarov Executive Summary Google Threat Intelligence Group (GTIG) tracked 75...

Written by: Casey Charrier, James Sadowski, Clement Lecigne, Vlad Stolyarov Executive Summary Google Threat Intelligence Group (GTIG) tracked 75 zero-day vulnerabilities exploited in the wild in 2024, a decrease from the number we identified in 2023 (98 vulnerabilities), but...

Read full advisory

Timeline

From disclosure to observed exploitation

10 Aug 2026
KEV confirmed by CVE

Exploitation attested by an external source
02 Jun 2025
Nessus plugin available

Scanner coverage available
17 Jul 2023
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
17 Jul 2023
First public exploitation report

Exploit observed in malware
11 Jul 2023
CVE published

Vulnerability disclosed publicly
27 Jun 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

View Pro pricing Read API docs

Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-36884

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2023-36884",
  "confidence": "Confirmed",
  "cvss_score": 7.5,
  "cvss_estimated": false,
  "epss_score": 0.98932,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2023-36884