How severe is CVE-2019-0938?

CVE-2019-0938 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-0938 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0938?

CVE-2019-0938 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-0938?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-0938 published?

CVE-2019-0938 was published on 2019-05-16 and last updated on 2026-06-17.

CVE-2019-0938

CVE-2019-0938 is a critical-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 6.8
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Edge
Published: 2019-05-16
Last modified: 2026-06-17

Description

An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka 'Microsoft Edge Elevation of Privilege Vulnerability'.

Frequently asked questions

What is 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 'Microsoft Edge Elevation of Privilege Vulnerability'.
How severe is CVE-2019-0938?: CVE-2019-0938 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0938 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0938?: CVE-2019-0938 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-0938?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-0938 published?: CVE-2019-0938 was published on 2019-05-16 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0938

Affected products (1)

cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Edge

CVE-2017-0028 — Critical (CVSS 9.8): A remote code execution vulnerability exists when Microsoft scripting engine improperly accesses objects in memory. The…
CVE-2017-0252 — Critical (CVSS 9.8): A remote code execution vulnerability exists in Microsoft Chakra Core in the way JavaScript engines render when…
CVE-2017-0223 — Critical (CVSS 9.8): A remote code execution vulnerability exists in Microsoft Chakra Core in the way JavaScript engines render when…
CVE-2015-0313 — Critical (CVSS 9.8): Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through 16.x before 16.0.0.305 on Windows…
CVE-2015-0311 — Critical (CVSS 9.8): Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and 16.x through 16.0.0.287 on…
CVE-2024-7971 — Critical (CVSS 9.6): Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a…

All CVEs affecting Microsoft Edge →