What is CVE-2024-49039?

CVE-2024-49039 is Windows Task Scheduler Elevation of Privilege Vulnerability affecting Microsoft Windows Server 2025, Windows Server 2025 (Server Core installation), Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11....

CVE-2024-49039 affects Microsoft Windows Server 2025, Windows Server 2025 (Server Core installation), Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 11 version 22H3, Windows 11 Version 23H2, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11.... Previdian lists 17 version rows; examples include 10.0.26100.0 to < 10.0.26100.2314 and 10.0.17763.0 to < 10.0.17763.6532.

Vulnerability report

Trusted Third Party Report Confirmed Confidence In CISA KEV

CVE-2024-49039

Q: Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Listed in CISA KEV. Also reported by third-party sources. Confidence is confirmed.

Q: What should we do?

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

Windows Task Scheduler Elevation of Privilege Vulnerability

Microsoft / Windows Server 2025 · affected before 10.0.26100.2314

Watch CVE-2024-49039 Browse KEV feed

Severity: CVSS 8.8 · High
Confidence: Confirmed
Exploit status: Trusted Third Party Report
EPSS: 14.2%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-49039 is Windows Task Scheduler Elevation of Privilege Vulnerability affecting Microsoft Windows Server 2025 and 17 other products.

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Listed in CISA KEV. Also reported by third-party sources. Confidence is confirmed.

Who is affected?

Affected products include Microsoft / Windows Server 2025 and 17 other products, including affected before 10.0.26100.2314, affected before 10.0.17763.6532, and affected before 10.0.20348.2849.

What should we do?

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

Overview

Windows Task Scheduler Elevation of Privilege Vulnerability

Vendor Product Affected Status

Microsoft Affected

Windows Server 2025

Before 10.0.26100.2314

Affected

Microsoft Affected

Windows Server 2025 (Server Core installation)

Before 10.0.26100.2314

Affected

Microsoft Affected

Windows 10 Version 1809

Before 10.0.17763.6532

Affected

Microsoft Affected

Windows Server 2019

Before 10.0.17763.6532

Affected

Microsoft Affected

Windows Server 2019 (Server Core installation)

Before 10.0.17763.6532

Affected

Microsoft Affected

Windows Server 2022

Before 10.0.20348.2849

Affected

Microsoft Affected

Windows 10 Version 21H2

Before 10.0.19044.5131

Affected

Microsoft Affected

Windows 11 version 22H2

Before 10.0.22621.4460

Affected

Microsoft Affected

Windows 10 Version 22H2

Before 10.0.19045.5131

Affected

Microsoft Affected

Windows 11 version 22H3

Before 10.0.22631.4460

Affected

Microsoft Affected

Windows 11 Version 23H2

Before 10.0.22631.4460

Affected

Microsoft Affected

Windows Server 2022, 23H2 Edition (Server Core installation)

Before 10.0.25398.1251

Affected

Microsoft Affected

Windows 11 Version 24H2

Before 10.0.26100.2314

Affected

Microsoft Affected

Windows 10 Version 1507

Before 10.0.10240.20826

Affected

Microsoft Affected

Windows 10 Version 1607

Before 10.0.14393.7515

Affected

Microsoft Affected

Windows Server 2016

Before 10.0.14393.7515

Affected

Microsoft Affected

Windows Server 2016 (Server Core installation)

Before 10.0.14393.7515

Affected

View vendor advisory

Published: 12 Nov 2024
Exploitation Attempts Reported: 12 Nov 2024
Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-49039
Windows Task Scheduler Elevation of Privilege Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49039

Exploitation evidence

Evidence of exploitation attempts

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

Exploitation Attempts Observed in the Wild

CISA

Recorded 12 Nov 2024

A trusted third party reported exploitation attempts.

Targeted by Malware-Related Exploitation Attempts

CISA

Recorded 02 Jun 2026

Exploitation attempts against this vulnerability are associated with malware-related payloads.

Known exploited vulnerability sources

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

Learn about Pro API access

Source	Added
CISA First	2024-11-12 00:00 UTC
CVE	2026-08-04 04:41 UTC

Detection

Operational artifacts and observed signals

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

Scanner coverage

Nessus template detected 02 Jun 2025.

View Nessus template

Virtual patch status

No Previdian 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/210866	02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

8.8 High

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

14.2%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Improper Authentication CWE-287

Recent mention · Google Threat Intelligence

29 Apr 2025

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

Read full advisory

All Mentions

Recent mention · Google Threat Intelligence

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

Google Threat Intelligence · 29 Apr 2025

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 still an increase from 2022 (63 vulnerabilities). We divided the reviewed vulnerabilities into two main categories: end-user platforms and products (e.g., mobile devices, operating systems, and browsers) and enterprise-focused technologies, such as security software and appliances. Vendors continue to drive...

Timeline

From disclosure to observed exploitation attempts

04 Aug 2026
04:41 UTC

KEV confirmed by CVE

Exploitation attempts reported by an external source
02 Jun 2026
14:08 UTC

Targeted by malware-related exploitation attempts

Malware-related exploitation attempts or payloads reported
02 Jun 2025
09:26 UTC

Nessus plugin available

Scanner coverage available
12 Nov 2024
17:54 UTC

CVE published

Vulnerability disclosed publicly
12 Nov 2024
00:00 UTC

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
11 Oct 2024
20:57 UTC

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.

Start 14-day Pro trial 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-2024-49039

Sample API response

{
  "cve_id": "CVE-2024-49039",
  "confidence": "Confirmed",
  "cvss_score": 8.8,
  "cvss_estimated": false,
  "epss_score": 0.14179,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2024-49039

Windows Task Scheduler Elevation of Privilege Vulnerability

Tags

CVE References

Exploitation Attempts Observed in the Wild

Targeted by Malware-Related Exploitation Attempts

Known exploited vulnerability sources

Scanner coverage

Virtual patch status

Scanner Artifacts

Weaknesses

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

All Mentions

KEV confirmed by CVE

Targeted by malware-related exploitation attempts

Nessus plugin available

CVE published

Added to CISA KEV

CVE ID reserved

Automate this intelligence