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Page generated: 08 Nov 2026, 09:07 UTC

CVE-2010-0840

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Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE and Java for Business 6 Update 18, 5.0 Update 23, and 1.4.2_25 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the March 2010 CPU. Oracle has not commented on claims from a reliable researcher that this is related to improper checks when executing privileged methods in the Java Runtime Environment (JRE), which allows attackers to execute arbitrary code via (1) an untrusted object that extends the trusted class but has not modified a certain method, or (2) "a similar trust issue with interfaces," aka "Trusted Methods Chaining Remote Code Execution Vulnerability."

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

9.0/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.8: +1.47
Fresh EPSS: 96.32%: +0.48

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

Sources: 3 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

Securelist

Press · 16 Nov 2017, 08:00 · Investigation Report for the September 2014 Equation malware detection incident in the US - Securelist

Microsoft

Press · 26 Sep 2016, 07:00 · Modern browsers are closing the door on Java exploits, but some threats remain - Microsoft

Bitdefender

Press · 27 May 2015, 07:00 · 7 Most Used Exploits In The Wild, According to Bitdefender - Bitdefender

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 9.0 (2026-11-02 15:11). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence

exploitdb #16297 2010-12-15

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 9.8; EPSS 96.3%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:24.081116+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

01 Apr 2010, 16:00

First press mention

27 May 2015, 07:00

Latest press mention

16 Nov 2017, 08:00

Added to the CISA KEV catalog

25 May 2022, 00:00

Score calculated

05 Nov 2026, 13:57

PoCs on GitHub

1 repositories