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CVE-2019-0841

An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-0805, CVE-2019-0836.

CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.4/10
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: 41.40%: +0.21

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

Sources: 6 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

thezdi.com
Press · 27 Oct 2020, 07:00 · CVE-2020-16939: Windows Group Policy DACL Overwrite Privilege Escalation - thezdi.com
Help Net Security
Press · 06 Feb 2020, 08:00 · Which vulnerabilities were most exploited by cybercriminals in 2019? - Help Net Security
Cisco Talos Blog
Press · 02 Jul 2019, 07:00 · Vulnerability Spotlight: Remote code execution vulnerabilities in Simple DirectMedia Layer - Cisco Talos Blog
BleepingComputer
Press · 11 Jun 2019, 07:00 · Microsoft's June 2019 Patch Tuesday Fixes 88 Vulnerabilities - BleepingComputer
BleepingComputer
Press · 23 May 2019, 07:00 · Two More Windows 10 Zero-Day PoC Exploits Released, Brings Total to 4 - BleepingComputer
See all 6 source documents
SECURITY.COM
Press · 10 Apr 2019, 07:00 · Microsoft Patch Tuesday – April 2019 - SECURITY.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 8.4 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

4

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
rogue-kdc/CVE-2019-084124095C++09 Apr 2019, 16:49
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 41.4%
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 13:58:02.857210+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
09 Apr 2019, 20:18
First press mention
10 Apr 2019, 07:00
Latest press mention
27 Oct 2020, 07:00
Added to the CISA KEV catalog
15 Mar 2022, 00:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
4 repositories