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CVE-2023-2033

84
FAUCET Score

CVE-2023-2033 is a high-severity type confusion vulnerability in Google Chrome's V8 JavaScript engine, affecting Google, Debian, and Fedora products. This flaw allows a remote attacker to achieve heap corruption and potentially execute arbitrary code by enticing a user to visit a specially crafted HTML page. With a CVSS score of 8.8 (High), it requires user interaction but has a low attack complexity and can lead to high impacts on confidentiality, integrity, and availability. Notably, this vulnerability is actively exploited in the wild, as confirmed by its presence in the KEV catalog and extensive media coverage, despite no public exploit code being available in Metasploit, Nuclei, or ExploitDB. The vulnerability has garnered significant community discussion, indicating high awareness and concern.

Impacted Technologies

VendorProductVersion(s)CPE
< 112.0.5615.121CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
38CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
40.80%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Added to KEV · Apr 17, 2023
This CVE's current EPSS score of 0.4080 is in the 99th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 112.0.1722.48
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2023-Apr/CVE-2023-2033Critical

Chromium: CVE-2023-2033 Type Confusion in V8

Apr 11, 2023

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
chromereleases.googleblog.com / 2023/04/stable-channel-update-for-desktop_14.html
Release NotesVendor Advisory
crbug.com / 1432210
Permissions Required
lists.fedoraproject.org / archives/list/[email protected]/message/4AOSGAOPXLBK4A5ZRTVZ4M6QKVLSWMWG
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/ES2CDRHR2Y4WY6DNDIAPYZFXJU3ZBFAV
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/FEJZMAUB4XP44HSHEBDWEKFGA7DUHY42
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/IHHD6KNH4WLUE6JG6HRQZWNAJMHJ32X7
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/RJQI63HWZFL6M26Q6UOHKDY6LD2PFC5Z
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/SLO7BL2MHZYPY6O3OAEAQL3SKYMGGO6M
Mailing List
security.gentoo.org / glsa/202309-17
Third Party Advisory
couchbase.com / alerts
Third Party Advisory
debian.org / security/2023/dsa-5390
Third Party Advisory