Page generated: 09 Nov 2026, 07:44 UTC
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CVE-2017-8759

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."

CVSS 7.8 (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 7.8: +1.17
  • Fresh EPSS: 88.70%: +0.44

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

Infosecurity Magazine
Press · 15 May 2020, 07:00 · The Most Exploited Vulnerabilities by State Sponsored Actors, and the Easy Fix - Infosecurity Magazine
Bitdefender
Press · 13 May 2020, 07:00 · U.S Government Lists CVEs Most Exploited by Foreign Cyber Adversaries - Bitdefender
Bitdefender
Press · 13 May 2020, 07:00 · U.S Government Lists CVEs Most Exploited by Foreign Cyber Adversaries - Bitdefender
The Hacker News
Press · 17 Jan 2018, 08:00 · Hackers Exploiting Three Microsoft Office Flaws to Spread Zyklon Malware - The Hacker News
www.trendmicro.com
Press · 20 Nov 2017, 08:00 · Cobalt Strikes Again, Spam Runs Target Russian Banks - www.trendmicro.com
See all 9 source documents
Help Net Security
Press · 17 Oct 2017, 07:00 · Adobe releases emergency fix for Flash Player zero-day exploited in the wild - Help Net Security
Securelist
Press · 16 Oct 2017, 07:00 · BlackOasis APT and new targeted attacks leveraging zero-day exploit - Securelist
BleepingComputer
Press · 16 Oct 2017, 07:00 · Adobe Patches Flash Zero-Day Used by BlackOasis APT - BleepingComputer
Google Cloud
Press · 12 Sep 2017, 07:00 · FireEye Uncovers CVE-2017-8759: Zero-Day Used in the Wild to Distribute FINSPY - Google Cloud

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

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 7.8; EPSS 88.7%
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 13:57:53.595498+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
12 Sep 2017, 07:00
Published
13 Sep 2017, 01:00
Latest press mention
15 May 2020, 07:00
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
1 repositories