CVE-2026-78891 Details
Description
Buffer overflow in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
A buffer overflow vulnerability has been identified in the WebRTC component of Google Chrome. This issue affects versions of Chrome prior to 152.0.7977.65. The vulnerability allows remote attackers to execute arbitrary code within the browser's sandbox by using a specially crafted HTML page.
Users can update to Google Chrome version 152.0.7977.65 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html | [email protected] | Release NotesVendor Advisory |
| https://issues.chromium.org/issues/503013378 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-122 | Heap-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| google chrome | < 152.0.7977.65 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 27, 2026 | CVE Modified | CISA-ADP |
| Aug 26, 2026 | Initial Analysis | [email protected] |
| Aug 26, 2026 | CVE Modified | [email protected] |
| Aug 26, 2026 | CVE Modified | CISA-ADP |
| Aug 25, 2026 | New CVE Received | [email protected] |