What is the CVSS score of CVE-2024-49039?

CVE-2024-49039 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 13.7%.

Is there a public PoC exploit available for CVE-2024-49039?

Yes, a public proof-of-concept exploit is available for CVE-2024-49039. Prioritise patching immediately. EPSS: 13.7%.

Is there a patch available for CVE-2024-49039?

Yes, a patch is available for CVE-2024-49039. Update the affected software to the latest version immediately.

Windows 10 1507 CVE-2024-49039

HIGH

Improper Authentication (CWE-287)

2024-11-12 secure@microsoft.com

Authentication Bypass Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025

8.8

CVSS 3.1 · Vendor: microsoft

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Vulnerability Assessment

Weakness	CWE CWE-287 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Authentication mechanism validation MITRE ATT&CK 2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 8.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	A local attacker with access to the system could bypass authentication mechanisms to gain unauthorized access.

Act Now Prioritize within 24-48h. Why: In CISA KEV with patch available.

Exploited in the wild (CISA KEV) Patch available 13.7% exploitation probability (EPSS)

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AnalysisAI

Windows Task Scheduler Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (microsoft) PRIMARY 8.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from Vendor (microsoft) · only source for this CVE.

CVSS VectorVendor: microsoft

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Jul 14, 2026 - 04:22 CISA

CVE Published

Nov 12, 2024 - 18:15 cve.org

HIGH 8.8

DescriptionCVE.org

Windows Task Scheduler Elevation of Privilege Vulnerability

Threat Intelligence Overview

Threat Score

5.2/10

Composite threat intelligence

EPSS Score

13.7%

Top 4% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

CISA KEV

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV Yes

Public POC Yes

EPSS 13.7%

Patch available Yes

Active threat Yes

Deciding rule

In CISA KEV with patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Out-of-Cycle

Exploitation· derived

Active

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

High

Priority Score

128

Low Medium High Critical

KEV: +50

EPSS: +14

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*

cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

+ 3 more

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References

Advisories & patches

PATCH https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49039 REF https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-49039

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