KLA20163
Multiple vulnerabilities in Microsoft Browser

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to cause denial of service, gain privileges, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. Implementation vulnerability in File System API can be exploited to cause denial of service.
2. Implementation vulnerability in Fullscreen API can be exploited to cause denial of service.
3. Implementation vulnerability in Permission prompts can be exploited to cause denial of service.
4. Implementation vulnerability in iframe Sandbox can be exploited to cause denial of service.
5. Validation of untrusted input vulnerability in Downloads can be exploited to cause denial of service.
6. Policy enforcement vulnerability in CORS can be exploited to cause denial of service.
7. An elevation of privilege vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to gain privileges.
8. Use after free vulnerability in Cart can be exploited to cause denial of service or execute arbitrary code.
9. Heap buffer overflow vulnerability in Network Service can be exploited to cause denial of service.
10. A remote code execution vulnerability in Microsoft Edge (Chromium-based) can be exploited remotely to execute arbitrary code.
11. Heap buffer overflow vulnerability in libphonenumber can be exploited to cause denial of service.

Microsoft Edge (Chromium-based)

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

CVE-2023-0140
CVE-2023-0130
CVE-2023-0132
CVE-2023-0131
CVE-2023-0139
CVE-2023-0133
CVE-2023-0141
CVE-2023-21796
CVE-2023-0136
CVE-2023-0134
CVE-2023-0129
CVE-2023-0135
CVE-2023-21775
CVE-2023-0138