CVE-2026-11645
HighExploitedPublic exploitOut of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Published Jun 8, 2026 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2026-11645, EUVD-2026-35245, GHSA-x2hh-w9mw-3vq2
Key Facts
Patch immediately- CVE-2026-11645 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Chrome (Google), Edge Chromium (Microsoft), qt6-qtwebengine (alpine) and 2 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 8, 2026. Public exploit code is available.
- EPSS estimates a 2.4% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 149.0.7827.103, chromedriver 149.0.7827.102-1.1, chromedriver 149.0.7827.102-bp160.1.1.
- 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)
2.4%
Higher than 84.0% 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-2026-11645 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 9, 2026 | Jun 23, 2026 | Not reported |
| Industry KEV feed | Jun 8, 2026 | Jun 23, 2026 | Not reported |
| CIRCL KEV | Jun 9, 2026 | Jun 23, 2026 | Not reported |
| ENISA EUVD | Jun 9, 2026 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
23 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= 149.0.7827.103 | 149.0.7827.103 |
| Edge ChromiumMicrosoft | See advisory | n/a |
| qt6-qtwebenginealpine | See advisory | 6.11.1-r3 |
| chromiumchainguard | See advisory | 149.0.7827.102-r0 |
| chromedriversuse | See advisory | 149.0.7827.102-bp160.1.1 |
Patched Releases
Chrome
149.0.7827.103
chromedriver
149.0.7827.102-1.1, 149.0.7827.102-bp160.1.1
chromium
149.0.7827.102-1, 149.0.7827.102-1.1, 149.0.7827.102-1~deb12u1, 149.0.7827.102-1~deb13u1, 149.0.7827.102-bp160.1.1, 149.0.7827.102-r0
qt6-qtwebengine
6.11.1-r3
Timeline
Publicly disclosed
Jun 8, 2026
Added to Industry KEV feed
Jun 8, 2026
Added to CISA KEV
Jun 9, 2026
Added to CIRCL KEV
Jun 9, 2026
Added to ENISA EUVD
Jun 9, 2026
Last updated
Aug 4, 2026
Weakness Type
- CWE-125 Out-of-bounds Read
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2026-11645
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Affected: Chrome (Google) versions >= 149.0.7827.103; Edge Chromium (Microsoft); qt6-qtwebengine (alpine), 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 Jun 8, 2026.
Yes. It was added on Jun 9, 2026 with a federal remediation due date of Jun 23, 2026.
Public exploit code is available.
Fixed versions are available, including Chrome 149.0.7827.103, chromedriver 149.0.7827.102-1.1, chromedriver 149.0.7827.102-bp160.1.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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