Windows Defender Attack Surface Reduction Security Feature Bypass

How can I check if I'm protected from this vulnerability?
This vulnerability existed in the Defender Security Intelligence Updates and not the Malware protection engine. The version of the signatures that addressed the vulnerability is 1.391.1332.0 and was updated automatically. Check the current version in Windows Update history Definition Updates to see the most recently installed definitions.

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could bypass the Windows Defender Attack Surface Reduction blocking feature.

According to the CVSS metric, the attack vector is local (AV:L) and user interaction is required (UI:R), what does that mean for this vulnerability?
The attack itself is carried out locally. For example, when the score indicates that the Attack Vector is Local and User Interaction is Required, this could describe an exploit in which an attacker, through social engineering, convinces a victim to click on a local file path link or download and run a malicious application or file.

Security updates
1.391.1332.0 — https://learn.microsoft.com/en-us/microsoft-365/security/defender-endpoint/manage-updates-baselines-microsoft-defender-antivirus?view=o365-worldwide#security-intelligence-updates