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CVE-2017-0263

The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Wi…

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The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.2/10
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: 10.03%: +0.05

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

Qualys
Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys
Check Point Research
Press · 02 Oct 2020, 07:00 · Graphology of an Exploit – Hunting for exploits by looking for the author’s fingerprints - Check Point Research
Securelist
Press · 10 Oct 2018, 07:00 · Zero-day exploit (CVE-2018-8453) used in targeted attacks - Securelist
Securelist
Press · 20 Feb 2018, 08:00 · A Slice of 2017 Sofacy Activity - Securelist
BleepingComputer
Press · 20 Oct 2017, 07:00 · Russian Cyberspies Are Rushing to Exploit Recent Flash 0-Day Before It Goes Cold - BleepingComputer
See all 10 source documents
Securelist
Press · 08 Aug 2017, 07:00 · APT Trends report Q2 2017 - Securelist
BleepingComputer
Press · 10 May 2017, 07:00 · 3 of 4 Zero-Days Microsoft Patched Yesterday Were Used by Russian Cyberspies - BleepingComputer
TechTarget
Press · 10 May 2017, 07:00 · Windows zero days squashed in May 2017 Patch Tuesday - TechTarget
WeLiveSecurity
Press · 09 May 2017, 07:00 · Sednit adds two zero-day exploits using 'Trump's attack on Syria' as a decoy - WeLiveSecurity
Google Cloud
Press · 09 May 2017, 07:00 · EPS Processing Zero-Days Exploited by Multiple Threat Actors - 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 8.2 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
leeqwind/HolicPOC9038C++22 Mar 2022, 03:02
R06otMD5/cve-2017-0263-poc00—07 Jan 2019, 04:21
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 10.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low 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 13:57:47.671864+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
09 May 2017, 07:00
Published
12 May 2017, 14:00
Added to the CISA KEV catalog
10 Feb 2022, 00:00
Latest press mention
22 Feb 2022, 08:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
2 repositories