Home/CVE/Side-channel information leakage in Navigation and Loading in Google Chrome prior to 139.0.7258.66 allowed a remote atta
CVE

CVE-2025-13992

Side-channel information leakage in Navigation and Loading in Google Chrome prior to 139.0.7258.66 allowed a remote atta

Side-channel information leakage in Navigation and Loading in Google Chrome prior to 139.0.7258.66 allowed a remote attacker to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

MEDIUM · CVSS 4.7 EPSS 0.00023
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules15 YARA rules0
⬡

Weakness Classification

CWE-1300Improper Protection of Physical Side Channels
▤

Affected Products & Versions

1
google chrome< 139.0.7258.66
◈

Sigma Hunt Rules

15
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.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.1 · chrome-cve-admin@google.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 NVD03 Dec 2025 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
chrome-releasesCHROME-tag:blogger.com,
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop.htmlRelease NotesVendor Advisory
https://issues.chromium.org/issues/40095391Issue TrackingPermissions Required
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