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CVE-2017-8570

Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0243.

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: 89.89%: +0.45

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

Sources: 10 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

CyberSecurityNews
Press · 21 Jul 2026, 07:00 · Top 10 Malware Used by Hackers Last Week to Launch Cyberattacks - CyberSecurityNews
The Record from Recorded Future News
Press · 22 Apr 2024, 07:00 · Microsoft unmasks Russia-linked ‘GooseEgg’ malware - The Record from Recorded Future News
Qualys
Press · 04 Sep 2023, 07:00 · Top 20 Vulnerabilities Exploited by Cyber Attackers - Qualys
ET CIO
Press · 30 Apr 2020, 07:00 · Agent Tesla malware exploiting MS Office vulnerabilities: Report - ET CIO
Qualys
Press · 27 Dec 2019, 08:00 · Top 19+ Vulnerability CVEs in Santa’s Dashboard Tracking - Qualys
See all 10 source documents
GBHackers News
Press · 26 Nov 2019, 08:00 · Raccoon Stealer Malware Delivered by .IMG File Attacks Financial Organization to Steal Sensitive Data - GBHackers News
Recorded Future
Press · 19 Mar 2019, 07:00 · Microsoft Targeted by 8 of 10 Top Vulnerabilities in 2018 - Recorded Future
Proofpoint
Press · 25 Mar 2018, 07:00 · Unraveling ThreadKit: New document exploit builder used to distribute The Trick, Formbook, Loki Bot and other malware - Proofpoint
Security Affairs
Press · 15 Aug 2017, 07:00 · CVE-2017-0199: Crooks exploit PowerPoint Slide Show files to deliver malware - Security Affairs
www.trendmicro.com
Press · 14 Aug 2017, 07:00 · CVE-2017-0199: New Malware Abuses PowerPoint Slides - www.trendmicro.com

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 89.9%
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
Published
11 Jul 2017, 21:00
First press mention
14 Aug 2017, 07:00
Added to the CISA KEV catalog
25 Feb 2022, 00:00
Latest press mention
21 Jul 2026, 07:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
1 repositories