CVE-2019-0938

An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka…

published May 16, 2019

CVSS
—
EPSS
3%
Percentile
88.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky way out of the sandbox! An elevation of privilege vulnerability in Microsoft Edge can let attackers slip past the browser's security measures, like a clever raccoon finding its way out of an enclosed yard. 🦝 Think of the AppContainer sandbox as a secure playpen for your data, keeping it safe from the outside world. This vulnerability is like finding an unguarded latch that lets a mischievous raccoon escape — potentially leading to chaos in your digital backyard! If exploited, this vulnerability could allow an attacker to execute arbitrary code outside the sandboxed environment, potentially accessing sensitive data or compromising user systems. While it's not currently being exploited, the risk of a successful escape is something no user wants lurking in the shadows.

Put simply

Think of the AppContainer sandbox as a secure playpen for your data, keeping it safe from the outside world. This vulnerability is like finding an unguarded latch that lets a mischievous raccoon escape — potentially leading to chaos in your digital backyard! This elevation of privilege vulnerability specifically affects Microsoft Edge, enabling an attacker to escape from the AppContainer sandbox, which should ideally isolate and protect the browser from harmful actions and content.

What to do

If exploited, this vulnerability could allow an attacker to execute arbitrary code outside the sandboxed environment, potentially accessing sensitive data or compromising user systems. While it's not currently being exploited, the risk of a successful escape is something no user wants lurking in the shadows. To protect yourself, ensure you are using the latest version of Microsoft Edge, which includes critical security patches. Regularly check for updates and consider implementing additional security measures, such as enabling Windows Defender SmartScreen. 🛡️ You've got this! Stay vigilant and keep your browser updated to maintain a secure browsing experience. 🔒😄

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03442 · 88.9th percentile
Published
2019-05-16T18:17Z
EPSS history
Timeline
  • 16 MAY 18:17Z
    An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka…
    cvelistv5