CVE-2025-0995Network attack vector

Heap corruption via V8 use-after-free

Published Feb 15, 2025 · Updated Feb 19, 2025

Use-after-free in V8 in Google Chrome before 133.0.6943.98 allows remote attackers to exploit heap corruption through crafted HTML. V8 accesses a heap object after its lifetime ends, but Google keeps the issue details restricted and has not named the affected function or object type. Exploitation requires a user to load attacker-controlled HTML, after which corrupted browser memory can terminate the process or alter execution.

CVSS severity8.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in V8 in Google Chrome before 133.0.6943.98 allows remote attackers to exploit heap corruption through crafted HTML. V8 accesses a heap object after its lifetime ends, but Google keeps the issue details restricted and has not named the affected function or object type. Exploitation requires a user to load attacker-controlled HTML, after which corrupted browser memory can terminate the process or alter execution.

The record

CVE
CVE-2025-0995
Published
Feb 15, 2025
Updated
Feb 19, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-416, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 19, 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=133.0.6943.98 <133.0.6943.98

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=133.0.6943.98 <133.0.6943.98

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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-416Use After Free
T1203Exploitation for Client Execution

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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