#VU63889 Race condition in Microsoft Edge - CVE-2022-30127

Vulnerability identifier: #VU63889

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-30127

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition. A remote attacker can trick the victim to visit a specially crafted web page, trigger a race condition and escape browser sandbox.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 79.0.309.71 - 79.0.3945.130, 83.0.478.37, 84.0.522.40, 86.0.622.43 - 86.0.622.69, 87.0.664.41 - 87.0.664.75, 88.0.705.50 - 88.0.705.81, 89.0.774.45 - 89.0.774.77, 90.0.818.39 - 90.0.818.66, 91.0.864.37 - 91.0.864.71, 92.0.902.55 - 92.0.902.84, 93.0.961.38 - 93.0.961.52, 94.0.992.31 - 94.0.992.58, 95.0.1020.30 - 95.0.1020.53, 96.0.1054.29 - 96.0.1054.75, 97.0.1072.55 - 97.0.1072.76, 98.0.1108.43 - 98.0.1108.92, 99.0.1150.30 - 99.0.1150.55, 100.0.1185.29 - 100.0.1185.60, 101.0.1210.32 - 101.0.1210.53

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30127

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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