Page generated: 09 Nov 2026, 09:31 UTC
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CVE-2020-16009

Inappropriate implementation in V8 in Google Chrome prior to 86.0.4240.183 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: 48.29%: +0.24

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

Sources: 7 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

Qualys
Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys
BleepingComputer
Press · 20 Mar 2021, 07:00 · Hacking group used 11 zero-days to attack Windows, iOS, Android users - BleepingComputer
BleepingComputer
Press · 04 Feb 2021, 08:00 · Google fixes Chrome zero-day actively exploited in the wild - BleepingComputer
BleepingComputer
Press · 12 Nov 2020, 08:00 · Google fixes more Chrome zero-days exploited in the wild - BleepingComputer
WeLiveSecurity
Press · 12 Nov 2020, 08:00 · Google patches two new zero-day flaws in Chrome - WeLiveSecurity
See all 7 source documents
BleepingComputer
Press · 05 Nov 2020, 08:00 · Apple patches three actively exploited iOS zero-days - BleepingComputer
Malwarebytes
Press · 03 Nov 2020, 08:00 · Update your Chrome again as Google patches second zero-day in two weeks - Malwarebytes

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

0

Public exploit entries / repo candidates

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 48.3%
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 13:58:14.320098+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
03 Nov 2020, 02:21
First press mention
03 Nov 2020, 08:00
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
22 Feb 2022, 08:00
Score calculated
05 Nov 2026, 13:58