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CVE

CVE-2024-29988

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

SmartScreen Prompt Security Feature Bypass Vulnerability.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.60504
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

◆

Threat Actors Linked

1
actorPlay
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Weakness Classification

CWE-693Protection Mechanism Failure
▤

Affected Products & Versions

9
microsoft windows 10 1809< 10.0.17763.5696
microsoft windows 10 21h2< 10.0.19044.4291
microsoft windows 10 22h2< 10.0.19045.4291
microsoft windows 11 21h2< 10.0.22000.2899
microsoft windows 11 22h2< 10.0.22621.3447
microsoft windows 11 23h2< 10.0.22631.3447
microsoft windows server 2019< 10.0.17763.5696
microsoft windows server 2022< 10.0.20348.2402
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Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalHacktool Execution - Imphash
relatedcriticalHackTool - Rubeus Execution
relatedcriticalPotential Credential Dumping Via LSASS Process Clone
relatedcriticalWCE wceaux.dll Access
relatedcriticalHackTool - Dumpert Process Dumper Default File
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Scoring & Timeline

8.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Apr 2024 · 05:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

2
cisaKEV-CVE-2024-29988
msrcCVE-2024-29988Security Feature Bypass
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-29988US Government Resource
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