How severe is CVE-2018-17463?

CVE-2018-17463 has a CVSS score of 8.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2018-17463?

Affected package information for CVE-2018-17463 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2018-17463?

No fixed version has been published for CVE-2018-17463 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2018-17463 actively exploited in the wild?

Yes. There are 8 known exploit references for CVE-2018-17463, including 1 documented proof-of-concept exploit on Exploit-DB and 6 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2018-17463?

CVE-2018-17463 has an EPSS (Exploit Prediction Scoring System) score of 92.2%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2018-17463 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2018-17463 (Google Chromium V8 Remote Code Execution Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-06-08. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-22. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

Which products and versions are affected by CVE-2018-17463?

CVE-2018-17463 affects debian debian linux (1 version, e.g. 9.0); google chrome; redhat enterprise linux desktop (1 version, e.g. 6.0); redhat enterprise linux server (1 version, e.g. 6.0), and 1 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2018-17463 published, and has it been updated?

CVE-2018-17463 was published on November 14, 2018 and was last updated on October 24, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2022-06-08 — agencies required to remediate by 2022-06-22

CVE-2018-17463

HIGH

Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Published

Nov 14, 2018

Updated

Oct 24, 2025

Affected

0 pkgs

Patched

None yet

Exploits

8 known

EPSS Exploitation Probability

via FIRST.org ↗

92.2%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Affected Products

5 products · 5 configurations

debian linuxdebian

1 version

9.0

Application

chromegoogle

< 70.0.3538.67

range

enterprise linux desktopredhat

1 version

6.0

enterprise linux serverredhat

1 version

6.0

enterprise linux workstationredhat

1 version

6.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-48184remotemultiple✓ Verified

Google Chrome 67_ 68 and 69 - Object.create Type Confusion (Metasploit)

by Metasploit · Mar 9, 2020

Exploit-DB Source

Frequently Asked Questions

Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

O3 Security · Impact-Aware SCA

Is CVE-2018-17463 in your stack?

O3 detects CVE-2018-17463 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

8.8/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Network

AC:Attack Complexity

Low

PR:Privileges Required

None

UI:User Interaction

Required

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

High

A:Availability

High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Nov 14, 2018

First exploit

Mar 9, 2020

KEV added

Jun 8, 2022

Last updated

Oct 24, 2025

Identifiers

CVE-2018-17463

References

Advisorysecurityfocus.com Advisoryaccess.redhat.com Advisorychromereleases.googleblog.com Advisorysecurity.gentoo.org Advisorydebian.org Advisorysecurityfocus.com Advisoryaccess.redhat.com Advisorychromereleases.googleblog.com Advisorysecurity.gentoo.org Advisorydebian.org Exploit / PoCpacketstormsecurity.com Exploit / PoCcrbug.com Exploit / PoCpacketstormsecurity.com Exploit / PoCcrbug.com Webcisa.gov

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