Information disclosure in Microsoft Windows



Published: 2022-09-14
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23960
CWE-ID CWE-1037
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Processor optimization removal or modification of security-critical code

EUVDB-ID: #VU65007

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-23960

CWE-ID: CWE-1037 - Processor optimization removal or modification of security-critical code

Exploit availability: No

Description

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists due to improper restrictions of cache speculation. A local user can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches and gain access to sensitive information.

The vulnerability was dubbed Spectre-BHB.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 - 11


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-23960

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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