Race condition in Microsoft Defender



Published: 2023-03-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-23389
CWE-ID CWE-362
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe
Microsoft Malware Protection Engine
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Race condition

EUVDB-ID: #VU73609

Risk: Low

CVSSv3.1: 5.5 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-23389

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in Microsoft Defender. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft Malware Protection Engine: All versions

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23389


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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