CVE-2024-49039 | Windows Task Scheduler Elevation of Privilege Vulnerability

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Windows Task Scheduler Elevation of Privilege Vulnerability

Published: 2024-11-12 Last update: 2025-10-28 Assigner: [email protected] Source: [email protected]

NVD Status：Analyzed，CVE State: published

View at NVD, CVE.org, EUVD

Threat Intelligence & Risk Assessment for CVE-2024-49039

KEV EPSS CVSS CWE Affected

Conclusion & alert: CVE-2024-49039 is rated Critical Active Threat (96/100): CVSS High severity, with high exploitation likelihood (EPSS 65.02%, 98th percentile). Core evidence: CISA KEV confirms active exploitation (added 2024-11-12) affecting Microsoft / Windows. an authentication bypass (CWE-287) Unauthenticated remote administrative access may be possible. EPSS rose +1.34% over the last day, indicating growing attacker interest. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2024-49039

Name: Microsoft Windows Task Scheduler Privilege Escalation Vulnerability · CISA KEV detail

Exploit added: 2024-11-12

Action due: 2024-12-03

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

Exploit prediction scoring system (EPSS) score for CVE-2024-49039

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-06	63.67%	65.02%	+1.34%
2	2026-05-06	64.17%	63.67%	-0.49%
3	2026-04-23	—	64.17%	—

Full EPSS history (73 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-49039

CVSS metrics for this CVE.

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
8.8	3.1	HIGH	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H` Click to expand Attack vector (AV:L) They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.0	6.0	[email protected]

Weakness enumeration for CVE-2024-49039

CWE-287 MITRE ↗

Affected software / configurations for CVE-2024-49039

Vendor	Product	Version	Raw CPE
microsoft	windows_10_1507	< 10.0.10240.20826	cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*
microsoft	windows_10_1507	< 10.0.10240.20826	cpe:2.3:o:microsoft:windows_10_1507:::::::x86:*
microsoft	windows_10_1607	< 10.0.14393.7515	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
microsoft	windows_10_1607	< 10.0.14393.7515	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
microsoft	windows_10_1809	< 10.0.17763.6532	cpe:2.3:o:microsoft:windows_10_1809:::::::x64:*
microsoft	windows_10_1809	< 10.0.17763.6532	cpe:2.3:o:microsoft:windows_10_1809:::::::x86:*
microsoft	windows_10_21h2	< 10.0.19044.5131	cpe:2.3:o:microsoft:windows_10_21h2:::::::arm64:*
microsoft	windows_10_21h2	< 10.0.19044.5131	cpe:2.3:o:microsoft:windows_10_21h2:::::::x64:*
microsoft	windows_10_21h2	< 10.0.19044.5131	cpe:2.3:o:microsoft:windows_10_21h2:::::::x86:*
microsoft	windows_10_22h2	< 10.0.19045.5131	cpe:2.3:o:microsoft:windows_10_22h2:::::::arm64:*
microsoft	windows_10_22h2	< 10.0.19045.5131	cpe:2.3:o:microsoft:windows_10_22h2:::::::x64:*
microsoft	windows_10_22h2	< 10.0.19045.5131	cpe:2.3:o:microsoft:windows_10_22h2:::::::x86:*
microsoft	windows_11_22h2	< 10.0.22621.4460	cpe:2.3:o:microsoft:windows_11_22h2:::::::arm64:*
microsoft	windows_11_22h2	< 10.0.22621.4460	cpe:2.3:o:microsoft:windows_11_22h2:::::::x64:*
microsoft	windows_11_23h2	< 10.0.22631.4460	cpe:2.3:o:microsoft:windows_11_23h2:::::::arm64:*
microsoft	windows_11_23h2	< 10.0.22631.4460	cpe:2.3:o:microsoft:windows_11_23h2:::::::x64:*
microsoft	windows_11_24h2	< 10.0.26100.2314	cpe:2.3:o:microsoft:windows_11_24h2:::::::arm64:*
microsoft	windows_11_24h2	< 10.0.26100.2314	cpe:2.3:o:microsoft:windows_11_24h2:::::::x64:*
microsoft	windows_server_2016	< 10.0.14393.7515	cpe:2.3:o:microsoft:windows_server_2016::::::::
microsoft	windows_server_2019	< 10.0.17763.6532	cpe:2.3:o:microsoft:windows_server_2019::::::::
microsoft	windows_server_2022	< 10.0.20348.2849	cpe:2.3:o:microsoft:windows_server_2022::::::::
microsoft	windows_server_2022_23h2	< 10.0.25398.1251	cpe:2.3:o:microsoft:windows_server_2022_23h2::::::::
microsoft	windows_server_2025	< 10.0.26100.2314	cpe:2.3:o:microsoft:windows_server_2025::::::::

References for CVE-2024-49039

URL	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49039	Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-49039	US Government Resource

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