CVE-2024-49039: Microsoft Windows Task Scheduler Privilege Escalation Vulnerability

Published Nov 12, 2024
·
Updated

Microsoft Windows Task Scheduler contains a privilege escalation vulnerability that can allow an attacker-provided, local application to escalate privileges outside of its AppContainer, and access privileged RPC functions.

Other sources

Windows Task Scheduler Elevation of Privilege Vulnerability

Microsoft

Affected Software

78 affected componentsFixes available
Microsoft Windows Server 2025
Microsoft Windows Server 2025
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=24H2
Microsoft Windows 11=22H2
Microsoft Windows 11=24H2
Microsoft Windows 11=23H2
Microsoft Windows 11=23H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10 1507<10.0.10240.20826
Microsoft Windows 10 1507<10.0.10240.20826
Microsoft Windows 10 1607<10.0.14393.7515
Microsoft Windows 10 1607<10.0.14393.7515
Microsoft Windows 10 1809<10.0.17763.6532
Microsoft Windows 10 1809<10.0.17763.6532
Microsoft Windows 10 21h2<10.0.19044.5131
Microsoft Windows 10 21h2<10.0.19044.5131
Microsoft Windows 10 21h2<10.0.19044.5131
Microsoft Windows 10 22h2<10.0.19045.5131
Microsoft Windows 10 22h2<10.0.19045.5131
Microsoft Windows 10 22h2<10.0.19045.5131
Microsoft Windows 11 22h2<10.0.22621.4460
Microsoft Windows 11 22h2<10.0.22621.4460
Microsoft Windows 11 23h2<10.0.22631.4460
Microsoft Windows 11 23h2<10.0.22631.4460
Microsoft Windows 11 24h2<10.0.26100.2314
Microsoft Windows 11 24h2<10.0.26100.2314
Microsoft Windows Server 2016<10.0.14393.7515
Microsoft Windows Server 2019<10.0.17763.6532
Microsoft Windows Server 2022<10.0.20348.2849
Microsoft Windows Server 2022 23h2<10.0.25398.1251
Microsoft Windows Server 2025<10.0.26100.2314
Microsoft Windows
Microsoft Windows 10=1607
10.0.14393.7515
Microsoft Windows 10<10.0.10240.20826
10.0.10240.20826
Microsoft Windows 10=1607
10.0.14393.7515
Microsoft Windows 11=24H2
10.0.26100.231410.0.26100.2240
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.1251
10.0.25398.1251
Microsoft Windows 11=23H2
10.0.22631.4460
Microsoft Windows 10<10.0.10240.20826
10.0.10240.20826
Microsoft Windows 10=22H2
10.0.19045.5131
Microsoft Windows 11=22H2
10.0.22621.4460
Microsoft Windows 11=24H2
10.0.26100.231410.0.26100.2240
Microsoft Windows 10=22H2
10.0.19045.5131
Microsoft Windows Server 2016<10.0.14393.7515
10.0.14393.7515
Microsoft Windows 11=23H2
10.0.22631.4460
Microsoft Windows 10=21H2
10.0.19044.5131
Microsoft Windows Server 2016<10.0.14393.7515
10.0.14393.7515
Microsoft Windows 10=21H2
10.0.19044.5131
Microsoft Windows 11=22H2
10.0.22621.4460
Microsoft Windows 10=21H2
10.0.19044.5131
Microsoft Windows Server 2022<10.0.20348.2849, <10.0.20348.2819
10.0.20348.284910.0.20348.2819
Microsoft Windows 10=22H2
10.0.19045.5131
Microsoft Windows Server 2022<10.0.20348.2849, <10.0.20348.2819
10.0.20348.284910.0.20348.2819
Microsoft Windows Server 2019<10.0.17763.6532
10.0.17763.6532
Microsoft Windows Server 2019<10.0.17763.6532
10.0.17763.6532
Microsoft Windows 10=1809
10.0.17763.6532
Microsoft Windows Server 2025<10.0.26100.2314, <10.0.26100.2240
10.0.26100.231410.0.26100.2240
Microsoft Windows 10=1809
10.0.17763.6532
Microsoft Windows Server 2025<10.0.26100.2314, <10.0.26100.2240
10.0.26100.231410.0.26100.2240

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10240.20826Patch KB5046665
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.7515Patch KB5046612
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.26100.2314Fixed in 10.0.26100.2240Patch KB5046696
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.25398.1251Patch KB5046618
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22631.4460Patch KB5046633
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19045.5131Patch KB5046613
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.22621.4460Patch KB5046633
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19044.5131Patch KB5046613
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.20348.2849Fixed in 10.0.20348.2819Patch KB5046698
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.6532Patch KB5046615

Event History

Nov 12, 2024
CVE Published
via CISA·12:00 AM
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·05:54 PM
Data Sourced
via MITRE·05:54 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Nov 13, 2024
News Published
via The Register·01:29 AM
News Published
via The Register·01:32 AM
Nov 26, 2024
News Published
via BleepingComputer·12:13 PM
Nov 30, 2024
News Published
via BleepingComputer·11:23 AM
Dec 1, 2024
News Published
via The Register·08:24 PM
Mar 27, 2025
News Published
via BleepingComputer·02:48 PM
Aug 11, 2025
News Published
via BleepingComputer·06:05 PM

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Frequently Asked Questions

1

What is the severity of CVE-2024-49039?

CVE-2024-49039 is classified as a privilege escalation vulnerability.

2

How do I fix CVE-2024-49039?

To fix CVE-2024-49039, apply the latest security updates and patches provided by Microsoft for your affected Windows version.

3

Which versions of Windows are affected by CVE-2024-49039?

CVE-2024-49039 affects multiple versions of Windows including Windows 10 and Windows 11, across various builds.

4

Can CVE-2024-49039 be exploited remotely?

No, CVE-2024-49039 requires local access to exploit the privilege escalation vulnerability.

5

What kind of attacks can occur due to CVE-2024-49039?

CVE-2024-49039 can allow an attacker to escalate privileges and access restricted functionality within the Windows operating system.

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