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CVE-2016-7200

The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7201…

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The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.7/10
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: 82.78%: +0.41

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

Sources: 8 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

Dark Reading
Press · 09 Nov 2022, 08:00 · Cloud9 Malware Offers a Paradise of Cyberattack Methods - Dark Reading
MyBroadband
Press · 09 Nov 2022, 08:00 · Chrome extension lets attackers steal accounts and use host machines in DDoS attacks - MyBroadband
The Hacker News
Press · 09 Nov 2022, 08:00 · Experts Warn of Browser Extensions Spying On Users via Cloud9 Chrome Botnet Network - The Hacker News
BleepingComputer
Press · 08 Nov 2022, 08:00 · Malicious extension lets attackers control Google Chrome remotely - BleepingComputer
Zimperium
Press · 08 Nov 2022, 08:00 · The Case of Cloud9 Chrome Botnet - Zimperium
See all 8 source documents
The Register
Press · 16 Aug 2017, 07:00 · Russian malware scum post new rent-an-exploit - The Register
BleepingComputer
Press · 14 Aug 2017, 07:00 · New Disdain Exploit Kit Sold on Underground Hacking Forums - BleepingComputer
TechTarget
Press · 13 Jan 2017, 08:00 · St. Jude Medical finally patches vulnerable medical IoT devices - TechTarget

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 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

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 82.8%
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 13:57:46.755924+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
10 Nov 2016, 06:16
First press mention
13 Jan 2017, 08:00
Added to the CISA KEV catalog
28 Mar 2022, 00:00
Latest press mention
09 Nov 2022, 08:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
2 repositories