CVE-2018-8357 Privilege escalation in Internet Explorer 11

What is CVE-2018-8357?

CVE-2018-8357 is a high-severity vulnerability in Microsoft Edge, published on 15 Aug 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An elevation of privilege vulnerability exists in Microsoft browsers allowing sandbox escape, aka "Microsoft Browser Elevation of Privilege Vulnerability." This affects Internet Explorer 11, Microsoft Edge.

Which versions are affected by CVE-2018-8357?

It affects 2 products.

Products include Microsoft Edge, Microsoft Internet Explorer.

How do I fix CVE-2018-8357?

No fix has been published for CVE-2018-8357 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-8357 being exploited?

There is no known exploitation of CVE-2018-8357 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Edge

• CVE-2021-26411 Microsoft Internet Explorer Memory Corruption Exploited High 8.8
• CVE-2016-7200 Microsoft Edge Memory Corruption Exploited High 8.8
• CVE-2016-7201 Microsoft Edge Memory Corruption Exploited High 8.8
• CVE-2017-0037 Microsoft Edge and Internet Explorer Type Confusion Exploited High 8.1
• CVE-2016-3351 Microsoft Internet Explorer and Edge Information Disclosure Exploited Medium 6.5

All Microsoft Edge vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wxhw-5m8c-wrm5.