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CVE-2019-13720

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.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 49.42%: +0.25

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Hackread
Press · 03 Nov 2025, 08:00 · New Dante Spyware Linked to Rebranded Hacking Team, Now Memento Labs - Hackread
McAfee
Press · 08 Sep 2021, 06:16 · What You Need to Know About the Google Chrome Vulnerabilities - McAfee
Securelist
Press · 28 May 2020, 07:00 · The zero-day exploits of Operation WizardOpium - Securelist
BleepingComputer
Press · 10 Dec 2019, 08:00 · Windows, Chrome Zero-Days Chained in Operation WizardOpium Attacks - BleepingComputer
TechTarget
Press · 13 Nov 2019, 08:00 · Microsoft closes IE zero-day on November Patch Tuesday - TechTarget
See all 10 source documents
Kaspersky
Press · 04 Nov 2019, 08:00 · Chrome in the zero-day crosshairs - Kaspersky
The Times of India
Press · 03 Nov 2019, 07:00 · Google Chrome users, here’s why you should update the browser right now - The Times of India
Tom's Hardware
Press · 02 Nov 2019, 07:00 · Google Discloses Severe Vulnerabilities in Chrome - Tom's Hardware
Securelist
Press · 01 Nov 2019, 07:00 · Chrome 0-day exploit CVE-2019-13720 used in Operation WizardOpium - Securelist
The Hacker News
Press · 01 Nov 2019, 07:00 · New Chrome 0-day Bug Under Active Attacks – Update Your Browser Now! - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.6 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
cve-2019-13720/cve-2019-1372032—04 Nov 2019, 19:40
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 8.8; EPSS 49.4%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:04.868015+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
01 Nov 2019, 07:00
Published
25 Nov 2019, 14:22
Added to the CISA KEV catalog
23 May 2022, 00:00
Latest press mention
03 Nov 2025, 08:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories