Vulnerability identifier: #VU74029

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28261

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

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

Vendor: Microsoft

Description

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

The vulnerability exists due to a race condition. A local user can exploit the race and gain unauthorized access to sensitive information and execute arbitrary code with SYSTEM privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 111.0.1661.41 - 111.0.1661.51, 110.0.1587.41 - 110.0.1587.69, 109.0.1343.27 - 109.0.1518.78, 108.0.1293.81 - 108.0.1462.95, 106.0.1370.34 - 106.0.1370.86, 107.0.1418.24 - 107.0.1418.62, 105.0.1343.25 - 105.0.1343.53, 104.0.1293.47 - 104.0.1293.91, 103.0.1264.37 - 103.0.1264.77, 102.0.1245.30 - 102.0.1245.62, 101.0.1210.32 - 101.0.1210.53, 100.0.1185.29 - 100.0.1185.60, 98.0.1108.43 - 98.0.1108.92, 99.0.1150.30 - 99.0.1150.55, 97.0.1072.55 - 97.0.1072.76, 96.0.1054.29 - 96.0.1054.75, 95.0.1020.30 - 95.0.1020.53, 94.0.992.31 - 94.0.992.58, 79.0.309.71 - 79.0.3945.130, 93.0.961.38 - 93.0.961.52, 92.0.902.55 - 92.0.902.84, 91.0.864.37 - 91.0.864.71, 90.0.818.39 - 90.0.818.66, 89.0.774.45 - 89.0.774.77, 88.0.705.50 - 88.0.705.81, 87.0.664.41 - 87.0.664.75, 86.0.622.43 - 86.0.622.69, 84.0.522.40, 83.0.478.37

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-28261

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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.