Microsoft Windows PowerShell OOB Write Escalation
CVE-2024-20140 Published on January 6, 2025

In power, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09270402; Issue ID: MSV-2020.

NVD

Vulnerability Analysis

CVE-2024-20140 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2024-20140 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2024-20140

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Affected Versions

MediaTek, Inc. MT6739, MT6761, MT6768, MT6781, MT6833, MT6853, MT6877, MT6885, MT6893, MT8518S, MT8532 Version Android 12.0, 13.0, 14.0, 15.0 / Yocto 3.3, 4.0, 5.0 is affected by CVE-2024-20140

Exploit Probability

EPSS
0.02%
Percentile
4.90%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.