CVE-2023-21823highunder attackCWE-190

CVE-2023-21823: high-severity vulnerability in Microsoft Office for Android

Windows Graphics Component Remote Code Execution Vulnerability

Published · Updated

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71Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 7.8epss 5.6%
from disclosure to weapon65 days
Published on NVDFeb 14
1st PoC+65d
CISA KEVFeb 14
Action required by CISAfederal deadline: 2023-03-07

Apply updates per vendor instructions.

In short

A flaw in Windows Graphics Component allows attackers to run malicious code on a computer by exploiting an integer overflow vulnerability. This is dangerous because it can give attackers full control over your system without needing special permissions.

Technical detail

Integer overflow in Windows Graphics Component allows remote code execution through crafted input to graphics processing functions. Exploitation requires user interaction (opening a malicious file or visiting a compromised webpage) but results in code execution with the privileges of the affected process, potentially leading to system compromise.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Windows Graphics Component Remote Code Execution Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
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