Vulnerability identifier: #VU84441

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-36878

CWE-ID: CWE-254

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 bypass implemented security restrictions.

The vulnerability exists due to the way Microsoft Edge handles access to blocked websites. A remote attacker can trick the victim to visit a specially crafted website and use certain tags to bypass Edge protection and load malicious images hosted on the blocked websites.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: 120.0.2210.61, 119.0.2151.44 - 119.0.2151.97, 118.0.2088.46 - 118.0.2088.122, 117.0.2045.31 - 117.0.2045.60, 116.0.1938.54 - 116.0.1938.98, 109.0.1343.27 - 109.0.1518.140, 115.0.1901.183 - 115.0.1901.203, 114.0.1823.37 - 114.0.1901.183, 113.0.1774.35 - 113.0.1774.57, 112.0.1722.34 - 112.0.1722.84, 111.0.1661.41 - 111.0.1661.62, 110.0.1587.41 - 110.0.1587.78, 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://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36878

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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.