Microsoft Windows Task Scheduler Privilege Escalation Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

8.8 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

62.67 %

Predictive Probability

Percentile Rank

98.3 th

Documented as more likely to be exploited than 98.3% of known CVEs.

Detection Date

Nov 12, 2024

Remediation Due

Dec 03, 2024

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

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

Asset Context

Vendor Identity

Microsoft

Affected Product

Windows

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-287

External Intelligence

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49039

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2024-49039