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CVE-2023-0474

27
FAUCET Score

CVE-2023-0474 is a use-after-free vulnerability in the GuestView component of Google Chrome versions prior to 109.0.5414.119. This flaw allows an attacker to potentially exploit heap corruption if a user is convinced to install a malicious Chrome web app. With a CVSS score of 8.8 (HIGH), this vulnerability has a high impact on confidentiality, integrity, and availability, requiring user interaction to be exploited. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 109.0.5414.119CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 41st percentile among its peer group of 14,875 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

No media coverage found for this CVE.

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 (3)

microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based)Fixed in: 109.0.1518.70
microsoftpatch availablevia msrc
Product: Microsoft Edge (Chromium-based) Extended StableFixed in: 108.0.1462.95
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2023-Jan/CVE-2023-0474

Chromium: CVE-2023-0474 Use after free in GuestView

Jan 10, 2023

References

chromereleases.googleblog.com / 2023/01/stable-channel-update-for-desktop_24.html
Release NotesVendor Advisory
crbug.com / 1400841
Permissions RequiredVendor Advisory