CVE-2026-5887: Insufficient validation of untrusted input in Google Chrome
Insufficient validation of untrusted input in Downloads in Google Chrome on Windows prior to 147.0.7727.55 allowed a remote attacker to bypass download restrictions via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
This vulnerability in Google Chrome affects the Downloads feature on Windows platforms before version 147.0.7727.55. It stems from insufficient validation of untrusted input, enabling a remote attacker to circumvent download restrictions via a specially crafted HTML page. The issue was publicly disclosed on April 8, 2026, and is noted as medium severity by the Chromium security team. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation status in the input data.
Potential Impact
An attacker can bypass download restrictions in affected Chrome versions on Windows, potentially leading to unauthorized downloads that users or administrators intended to block. This could facilitate delivery of malicious files or bypass security controls related to downloads. There is no indication of exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html for current remediation guidance. Users should update to Chrome version 147.0.7727.55 or later once confirmed patched. Until then, exercise caution with untrusted web content that initiates downloads.
CVE-2026-5887: Insufficient validation of untrusted input in Google Chrome
Description
Insufficient validation of untrusted input in Downloads in Google Chrome on Windows prior to 147.0.7727.55 allowed a remote attacker to bypass download restrictions via a crafted HTML page. (Chromium security severity: Medium)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome affects the Downloads feature on Windows platforms before version 147.0.7727.55. It stems from insufficient validation of untrusted input, enabling a remote attacker to circumvent download restrictions via a specially crafted HTML page. The issue was publicly disclosed on April 8, 2026, and is noted as medium severity by the Chromium security team. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation status in the input data.
Potential Impact
An attacker can bypass download restrictions in affected Chrome versions on Windows, potentially leading to unauthorized downloads that users or administrators intended to block. This could facilitate delivery of malicious files or bypass security controls related to downloads. There is no indication of exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html for current remediation guidance. Users should update to Chrome version 147.0.7727.55 or later once confirmed patched. Until then, exercise caution with untrusted web content that initiates downloads.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-04-08T19:34:39.349Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 69d6ca3e1cc7ad14dab3cd46
Added to database: 4/8/2026, 9:35:58 PM
Last enriched: 4/8/2026, 10:07:06 PM
Last updated: 4/9/2026, 7:17:58 AM
Views: 6
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