CVE-2025-12440Network attack vector

Process-memory disclosure via Autofill UI gestures

Published Nov 10, 2025 · Updated Nov 10, 2025

Information disclosure in Google Chrome before 142.0.7444.59 allows remote attackers to read process memory via crafted HTML. Google has not disclosed which Autofill operation exposes process memory or how crafted input reaches it. Exploitation requires a user to open the page and perform specific UI gestures; the disclosed impact is limited to potentially sensitive memory.

CVSS severity5.3
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Google Chrome before 142.0.7444.59 allows remote attackers to read process memory via crafted HTML. Google has not disclosed which Autofill operation exposes process memory or how crafted input reaches it. Exploitation requires a user to open the page and perform specific UI gestures; the disclosed impact is limited to potentially sensitive memory.

The record

CVE
CVE-2025-12440
Published
Nov 10, 2025
Updated
Nov 10, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-120, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 10, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=142.0.7444.59 <142.0.7444.59

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=142.0.7444.59 <142.0.7444.59

Published CVSS scores

5.3CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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