#VU9864 Out-of-bounds read in Microsoft Edge - CVE-2018-0800

Vulnerability identifier: #VU9864

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-0800

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary error when processing web contents in browser. A remote attacker can trick the victim into visiting a specially crafted web page, trigger out-of-bounds read and gain access to potentially sensitive data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: All versions

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0800

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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.