SB20260917257 - Multiple vulnerabilities in Google Chrome
Published: September 17, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 16 vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2026-93374)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Dawn component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) Buffer overflow (CVE-ID: CVE-2026-93372)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error in WebGL in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a buffer overflow and execute arbitrary code on the system.
3) Use of Incorrectly-Resolved Name or Reference (CVE-ID: CVE-2026-93375)
CWE-ID: CWE-706 - Use of Incorrectly-Resolved Name or Reference
CVSSv4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to an incorrectly resolved reference in Tracing in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and overwrite arbitrary files on the system.
4) Use-after-free (CVE-ID: CVE-2026-93382)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the PDFium component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
5) State Issues (CVE-ID: CVE-2026-93387)
CWE-ID: CWE-371 - State Issues
CVSSv4: 0 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper state validation in Skia. A remote attacker can bypass implemented security restrictions.
6) Use-after-free (CVE-ID: CVE-2026-93373)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Extensions component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
7) Buffer overflow (CVE-ID: CVE-2026-93381)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error in PDFium in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a buffer overflow and execute arbitrary code on the system.
8) Improper Authorization (CVE-ID: CVE-2026-93379)
CWE-ID: CWE-285 - Improper Authorization
CVSSv4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect authorization in ORB in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code.
9) Type Confusion (CVE-ID: CVE-2026-93377)
CWE-ID: CWE-843 - Type confusion
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
10) Race condition (CVE-ID: CVE-2026-93380)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to crash the browser.
The vulnerability exists due to a race condition in in FileSystem in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and crash the browser.
11) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-93384)
CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform server-side request forgery.
The vulnerability exists due to server-side request forgery in Omnibox when processing omnibox input. A remote attacker can cause Chrome to process crafted omnibox input to perform server-side request forgery.
12) Information disclosure (CVE-ID: CVE-2026-93383)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in Permissions in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.
13) Out-of-bounds read (CVE-ID: CVE-2026-93376)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the DataTransfer component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.
14) Missing Authorization (CVE-ID: CVE-2026-93378)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to access storage data without authorization.
The vulnerability exists due to missing authorization in Storage when handling user interaction with web content. A remote attacker can cause a victim to interact with crafted web content to access storage data without authorization.
15) Information disclosure (CVE-ID: CVE-2026-93385)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in Paint in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page and gain access to sensitive information.
16) Spoofing attack (CVE-ID: CVE-2026-93386)
CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to mislead users.
The vulnerability exists due to UI misrepresentation in WebAppInstalls when displaying web application installation interfaces. A remote attacker can trick a user into interacting with a web application installation interface to mislead users.
Remediation
Install update from vendor's website.
References
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0194356994.html
- https://issues.chromium.org/issues/500417361
- https://issues.chromium.org/issues/548085797
- https://issues.chromium.org/issues/550839154
- https://issues.chromium.org/issues/541707261
- https://issues.chromium.org/issues/553130676
- https://issues.chromium.org/issues/553132214
- https://issues.chromium.org/issues/556853443
- https://issues.chromium.org/issues/560039872
- https://issues.chromium.org/issues/560121552
- https://issues.chromium.org/issues/498411599
- https://issues.chromium.org/issues/511832293
- https://issues.chromium.org/issues/515493668
- https://issues.chromium.org/issues/520521197
- https://issues.chromium.org/issues/540051167
- https://issues.chromium.org/issues/553136980
- https://issues.chromium.org/issues/513996595