CVE-2025-15556

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2025-15556

Confirmed

Yes

2026-02-12 00:00 UTC

Timestamps

2026-02-12

2026-02-12

Scope

KEV entry: Notepad++ Download of Code Without Integrity Check Vulnerability | Affected: Notepad++ / Notepad++ | Description: Notepad++ when using the WinGUp updater, contains a download of code without integrity check vulnerability that could allow an attacker to intercept or redirect update traffic to download and execute an attacker-controlled installer. This could lead to arbitrary code execution with the privileges of the user. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-03-05 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://notepad-plus-plus.org/news/clarification-security-incident/ ; https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix ; https://nvd.nist.gov/vuln/detail/CVE-2025-15556

References
  • {'id': 'CVE-2025-15556', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-15556'}

573978bc-369f-4db5-9b5b-5390d526048e

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-13 07:16 UTC

2026-02-13 07:16 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-494"
  ],
  "date_added": "2026-02-12",
  "due_date": "2026-03-05",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Notepad++",
  "vendorProject": "Notepad++",
  "vulnerabilityName": "Notepad++ Download of Code Without Integrity Check Vulnerability"
}
 -
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