Page generated: 11 Nov 2026, 01:11 UTC
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CVE-2024-21351

Windows SmartScreen Security Feature Bypass Vulnerability

CVSS 7.6 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.3/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.6: +1.14
  • Fresh EPSS: 27.80%: +0.14

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

SOCRadar
Press · 29 Jan 2025, 08:00 · Top 10 Exploited Vulnerabilities of 2024 - SOCRadar
Cyber Daily
Press · 14 Aug 2024, 07:00 · Patch Tuesday round-up, August 2024 - Cyber Daily
Arctic Wolf
Press · 20 Feb 2024, 08:00 · Recommendations CVE-2024-21410, CVE-2024-21413, and CVE-2024-21401 - Arctic Wolf
The Hacker News
Press · 15 Feb 2024, 08:00 · Critical Exchange Server Flaw (CVE-2024-21410) Under Active Exploitation - The Hacker News
SecurityWeek
Press · 14 Feb 2024, 08:00 · Windows Zero-Day Exploited in Attacks on Financial Market Traders - SecurityWeek
See all 10 source documents
Sophos
Press · 14 Feb 2024, 08:00 · February’s Patch Tuesday treats customers to 72 patches - Sophos
BleepingComputer
Press · 13 Feb 2024, 08:00 · Microsoft February 2024 Patch Tuesday fixes 2 zero-days, 73 flaws - BleepingComputer
TechTarget
Press · 13 Feb 2024, 08:00 · February Patch Tuesday corrects two Windows zero-days - TechTarget
Rapid7
Press · 13 Feb 2024, 08:00 · Patch Tuesday - February 2024 - Rapid7
Cisco Talos Blog
Press · 13 Feb 2024, 08:00 · First Microsoft Patch Tuesday zero-day of 2024 disclosed as part of group of 75 vulnerabilities - Cisco Talos Blog

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 8.3 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

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 7.6; EPSS 27.8%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network 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 13:59:08.088796+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Added to the CISA KEV catalog
13 Feb 2024, 00:00
First press mention
13 Feb 2024, 08:00
Published
13 Feb 2024, 18:02
Latest press mention
29 Jan 2025, 08:00
Score calculated
05 Nov 2026, 13:59