How severe is CVE-2026-11269?

CVE-2026-11269 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-11269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11269?

CVE-2026-11269 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-11269?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-11269 have an EU (EUVD) identifier?

Yes. CVE-2026-11269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34730.

When was CVE-2026-11269 published?

CVE-2026-11269 was published on 2026-06-05 and last updated on 2026-06-17.

CVE-2026-11269

CVE-2026-11269 is a high-severity vulnerability in Google Chrome with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-829.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34730
Weakness: CWE-829
Affected product: Google Chrome
Published: 2026-06-05
Last modified: 2026-06-17

Description

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)

Frequently asked questions

What is CVE-2026-11269?: Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)
How severe is CVE-2026-11269?: CVE-2026-11269 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-11269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11269?: CVE-2026-11269 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-11269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-11269 have an EU (EUVD) identifier?: Yes. CVE-2026-11269 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34730.
When was CVE-2026-11269 published?: CVE-2026-11269 was published on 2026-06-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

More vulnerabilities in Google Chrome

CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2015-8548 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google V8 before 4.7.80.23, as used in Google Chrome before 47.0.2526.80, allow…
CVE-2015-6791 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google Chrome before 47.0.2526.80 allow attackers to cause a denial of service…
CVE-2015-6788 — Critical (CVSS 10.0): The ObjectBackedNativeHandler class in extensions/renderer/object_backed_native_handler.cc in the extensions subsystem…
CVE-2015-8480 — Critical (CVSS 10.0): The VideoFramePool::PoolImpl::CreateFrame function in media/base/video_frame_pool.cc in Google Chrome before…
CVE-2015-6787 — Critical (CVSS 10.0): Multiple unspecified vulnerabilities in Google Chrome before 47.0.2526.73 allow attackers to cause a denial of service…

All CVEs affecting Google Chrome →

Other CWE-829 vulnerabilities

CVE-2026-1699 — Critical (CVSS 10.0): In the Eclipse Theia Website repository, the GitHub Actions workflow .github/workflows/preview.yml used…
CVE-2025-70974 — Critical (CVSS 10.0): Fastjson before 1.2.48 mishandles autoType because, when an @type key is in a JSON document, and the value of that key…
CVE-2025-0982 — Critical (CVSS 10.0): Sandbox escape in the JavaScript Task feature of Google Cloud Application Integration allows an actor to execute…
CVE-2021-41037 — Critical (CVSS 10.0): In Eclipse p2, installable units are able to alter the Eclipse Platform installation and the local machine via…
CVE-2022-1161 — Critical (CVSS 10.0): An attacker with the ability to modify a user program may change user program code on some ControlLogix, CompactLogix,…
CVE-2020-4561 — Critical (CVSS 10.0): IBM Cognos Analytics 11.0 and 11.1 DQM API allows submitting of all control requests in unauthenticated sessions. This…

Browse all CWE-829 vulnerabilities →