CVE-2019-5786VulnerabilityPublished 05/23/2022Updated 10/24/2026

CVE-2019-5786: Google Chrome Blink Use-After-Free Vulnerability

Affects Google Chrome BlinkSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 05/23/2022
KEV deadline: 06/13/2022
EPSS: 61.1% chance of exploitation in 30 days – higher than 99% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2019-5786 (opens in a new tab)

Description

CVE-2019-5786 is a heap use-after-free vulnerability in Google Chrome's Blink rendering engine. This flaw allows an attacker to potentially perform out-of-bounds memory access by crafting a malicious HTML page. The vulnerability has been exploited in the wild, indicating active attacks leveraging this issue. No specific affected versions or patch information are provided in the available data.

Summary

Google Chrome Blink contains a heap use-after-free vulnerability (CWE-416) that can be triggered via a specially crafted HTML page, potentially leading to out-of-bounds memory access. This vulnerability has been observed to be exploited in the wild. The lack of detailed version or patch information limits precise remediation guidance.

Impact

Successful exploitation of this vulnerability can lead to memory corruption, which may allow attackers to execute arbitrary code or cause a denial of service. The fact that it has been exploited in the wild underscores its practical risk to users of vulnerable Chrome versions.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users should monitor official Google Chrome security advisories for updates and apply patches promptly once available.

Weaknesses

CWE-416Use After Free (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:41:09 UTC

Weaknesses

References

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