CVE-2022-4262
HighExploitedPublic exploitType confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Published Dec 7, 2022 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2022-4262, DSA-5295-1, TR-22-0724, UBUNTU-CVE-2022-4262
Key Facts
Patch immediately- CVE-2022-4262 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Chrome (Google), qt5-qtwebengine (alpine), chromium (debian) and 18 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 29, 2022. Public exploit code is available.
- EPSS estimates a 24% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 108.0.5359.94, chromedriver 108.0.5359.94-1.1, chromedriver 108.0.5359.94-bp154.2.52.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
24%
Higher than 97.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-4262 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Dec 5, 2022 | Dec 26, 2022 | Not reported |
| Industry KEV feed | Nov 29, 2022 | Dec 26, 2022 | Not reported |
| CIRCL KEV | Dec 5, 2022 | Dec 26, 2022 | Not reported |
| ENISA EUVD | Dec 5, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
48 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= unspecified | 108.0.5359.94 |
| qt5-qtwebenginealpine | See advisory | 5.15.11-r8 |
| chromiumdebian | See advisory | 108.0.5359.94-1~deb11u1 |
| chromium-browserubuntu | See advisory | 109.0.5414.74-0ubuntu0.18.04.14 |
| chromedriversuse | See advisory | 108.0.5359.94-bp154.2.52.1 |
Patched Releases
Chrome
108.0.5359.94
chromedriver
108.0.5359.94-1.1, 108.0.5359.94-bp154.2.52.1
chromium
108.0.5359.94-1, 108.0.5359.94-1.1, 108.0.5359.94-1~deb11u1, 108.0.5359.94-bp154.2.52.1
chromium-browser
109.0.5414.74-0ubuntu0.18.04.14
libqt5-qtpdf-devel
5.15.12-1.1
libqt5-qtpdf-examples
5.15.12-1.1
libqt5-qtpdf-imports
5.15.12-1.1
libqt5-qtpdf-private-headers-devel
5.15.12-1.1
libqt5-qtwebengine
5.15.12-1.1
libqt5-qtwebengine-devel
5.15.12-1.1
libqt5-qtwebengine-examples
5.15.12-1.1
libqt5-qtwebengine-private-headers-devel
5.15.12-1.1
libQt5Pdf5
5.15.12-1.1
libQt5PdfWidgets5
5.15.12-1.1
nodejs-electron
21.3.4-1.1
nodejs-electron-devel
21.3.4-1.1
nodejs-electron-doc
21.3.4-1.1
opera
94.0.4606.38-lp154.2.35.1, 99.0.4788.13-lp155.3.6.1
qt5-qtwebengine
5.15.11-r8, 5.15.11-r9
ungoogled-chromium
113.0.5672.92-1.1
ungoogled-chromium-chromedriver
113.0.5672.92-1.1
Timeline
Added to Industry KEV feed
Nov 29, 2022
Added to CISA KEV
Dec 5, 2022
Added to CIRCL KEV
Dec 5, 2022
Added to ENISA EUVD
Dec 5, 2022
Publicly disclosed
Dec 7, 2022
Last updated
Aug 4, 2026
Weakness Type
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
References
- advisoryhttps://crbug.com/1394403
- advisoryhttps://nakedsecurity.sophos.com/2022/11/28/chrome-fixes-8th-zero-day-of-2022-check-your-version-now/
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2022-4262
- advisoryhttps://ubuntu.com/security/CVE-2022-4262
- advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog
FAQ
Common Questions.
Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected: Chrome (Google) versions >= unspecified; qt5-qtwebengine (alpine); chromium (debian), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Nov 29, 2022.
Yes. It was added on Dec 5, 2022 with a federal remediation due date of Dec 26, 2022.
Public exploit code is available.
Fixed versions are available, including Chrome 108.0.5359.94, chromedriver 108.0.5359.94-1.1, chromedriver 108.0.5359.94-bp154.2.52.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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