Page generated: 11 Nov 2026, 01:35 UTC
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CVE-2016-4171

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.

CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.3/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.8: +1.17
  • Fresh EPSS: 20.05%: +0.10

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

Sources: 9 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

Cyfirma
Press · 10 Dec 2025, 08:00 · APT PROFILE – GROUP 123 - Cyfirma
Hackread
Press · 03 Nov 2025, 08:00 · New Dante Spyware Linked to Rebranded Hacking Team, Now Memento Labs - Hackread
Securelist
Press · 10 Jul 2018, 07:00 · APT Trends Report Q2 2018 - Securelist
Securelist
Press · 14 Dec 2016, 08:00 · Kaspersky Security Bulletin 2016. Review of the year. Overall statistics for 2016 - Securelist
Securelist
Press · 20 Oct 2016, 07:00 · Windows zero-day exploit used in targeted attacks by FruityArmor APT - Securelist
See all 9 source documents
Securelist
Press · 11 Aug 2016, 07:00 · IT threat evolution in Q2 2016. Statistics - Securelist
Recorded Future
Press · 28 Jun 2016, 07:00 · Kickstart Threat Actor Research with Threat Actor Cards - Recorded Future
The Citizen
Press · 21 Jun 2016, 07:00 · Update or immediately delete Adobe Flash Player - The Citizen
Securelist
Press · 17 Jun 2016, 07:00 · Operation Daybreak - Securelist

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 8.3 (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 7.8; EPSS 20.1%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local 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 13:57:44.846931+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
16 Jun 2016, 14:00
First press mention
17 Jun 2016, 07:00
Added to the CISA KEV catalog
25 Mar 2022, 00:00
Latest press mention
10 Dec 2025, 08:00
Score calculated
05 Nov 2026, 13:57