How severe is CVE-2019-13720?

CVE-2019-13720 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2019-13720?

Affected package information for CVE-2019-13720 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2019-13720?

No fixed version has been published for CVE-2019-13720 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2019-13720 actively exploited in the wild?

Yes. There are 10 known exploit references for CVE-2019-13720, including 1 documented proof-of-concept exploit on Exploit-DB and 7 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2019-13720?

CVE-2019-13720 has an EPSS (Exploit Prediction Scoring System) score of 89.6%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2019-13720 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2019-13720 (Google Chrome WebAudio Use-After-Free Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-05-23. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-13. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

When was CVE-2019-13720 published, and has it been updated?

CVE-2019-13720 was published on November 25, 2019 and was last updated on April 16, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-05-23 — agencies required to remediate by 2022-06-13

CVE-2019-13720

HIGH

Published

Nov 25, 2019

Updated

Apr 16, 2026

Affected

0 pkgs

Patched

None yet

Exploits

10 known

EPSS Exploitation Probability

via FIRST.org ↗

89.6%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-50917remotemultiple

Google Chrome 78.0.3904.70 - Remote Code Execution

by Forrest Orr · May 11, 2022

Exploit-DB Source

Frequently Asked Questions

Use after free in WebAudio in Google Chrome prior to 78.0.3904.87 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

O3 Security · Impact-Aware SCA

Is CVE-2019-13720 in your stack?

O3 detects CVE-2019-13720 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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