Google Patches Actively Exploited V8 Zero-Day in Chrome (CVE-2026-85046)

Google has released an urgent update for Chrome to address CVE-2026-85046, a high-severity zero-day vulnerability in the V8 JavaScript engine that is being actively exploited in the wild. The flaw is a type confusion issue within the Maglev compiler, specifically tied to optimizations around Array.prototype.sort, which can lead to arbitrary memory read and write primitives inside the JavaScript heap. Attackers can exploit the vulnerability by tricking victims into visiting a specially crafted HTML page, enabling remote code execution within the browser sandbox. The update brings Chrome to version 152.0.7977.82 or higher on Windows, macOS, and Linux, while also addressing a total of 12 vulnerabilities. The issue was reported by researcher Salvatore Gulizia, known as Serotav, who received a $1,000 reward. Other Chromium-based browsers such as Edge, Brave, Opera, and Vivaldi will require corresponding updates from their vendors.

HispasecSeptember 4, 2026Translated from Spanish

Read at source

Google has distributed an urgent update for Chrome to fix CVE-2026-85046, a zero-day vulnerability in the V8 engine that is under active exploitation. Users must update to Chrome 152.0.7977.82 or later and restart the browser to apply the patch.

The vulnerability is a type confusion flaw in V8, the JavaScript and WebAssembly engine. It resides in the Maglev compiler and affects optimizations related to Array.prototype.sort. Certain inlining and specialization decisions can leave the engine in an inconsistent state, enabling attackers to build reliable exploitation chains that achieve arbitrary memory access within the JavaScript heap.

An attacker can trigger the flaw by serving a malicious HTML page, a technique commonly seen in malvertising, compromised sites, or phishing campaigns. The published CVSS score is 8.8, reflecting the requirement for user interaction.

Google fixed the issue in the stable desktop channel with versions 152.0.7977.82 and 152.0.7977.83 for Windows and macOS, and 152.0.7977.82 for Linux. The update also resolves 11 additional vulnerabilities, bringing the total to 12 fixes.

The researcher Salvatore Gulizia, operating under the handle Serotav, reported the bug on 4 August 2026 and received a $1,000 reward. Google continues its policy of limiting technical details until the majority of users have updated.

Administrators should accelerate patch deployment, verify installed versions, and prioritize high-exposure systems. Users of other Chromium-based browsers, including Microsoft Edge, Brave, Opera, and Vivaldi, must apply updates from their respective vendors once available.

Google Chrome CVE-2026-85046 Maglev

ShareX Facebook LinkedIn Reddit

Meridian digestThe week's most consequential security stories, distilled into one briefing.See the digest

More in Vulnerabilities & Exploits

Vulnerabilities & Exploits

Telegram for Android Patches Voice Call Vulnerability Enabling Code Execution

Security researchers at NebuSec disclosed a vulnerability in Telegram for Android that allowed remote code execution after a victim answered a voice call. The flaw affected versions from 8.6.2 through 12.10.3 and was fixed in release 12.10.4 at the end of September. The issue stemmed from improper handling of MediaState service messages that carry microphone, camera, and video rotation data during calls. When a required field was missing, the application accessed invalid memory. NebuSec discovered the bug using its Code Security product running on a GPT-5.4 model and confirmed exploitation on ARM64 Android devices for personal calls. A demonstration showed the string “HACKED BY NEBUSEC” appearing roughly 30 seconds after the call was accepted. The vulnerability is unrelated to the earlier animated-sticker attack vector.

AntiMalwareOct 29, 2026Translated from Russian

Vulnerabilities & Exploits

Yandex Patches Millions of Stations After eMudhra Certificate Keys Compromised

Yandex has automatically deployed security updates to millions of its smart speakers and partner televisions running YaOS between October 21 and 23. The patches address compromised intermediate certificates issued by eMudhra whose private keys consisted of trivial values from 1 to 255. Attackers who obtained these keys could generate fraudulent certificates and perform man-in-the-middle attacks against device HTTPS traffic. Enthusiasts demonstrated that local network control combined with the certificates allowed replacement of server configuration, activation of ADB, and acquisition of root access on the devices. The update removes trust in the affected certificates, overwrites compromised system files, and disables the debug interface. A factory reset restores the vulnerable firmware, so Yandex advises against resets without a compelling reason.

AntiMalwareOct 29, 2026Translated from Russian

Vulnerabilities & Exploits

Cisco ASA and FTD Face DoS Vulnerability in SSL VPN Already Exploited in the Wild

Cisco Systems has disclosed a denial-of-service vulnerability affecting its Cisco Secure Firewall ASA and Cisco Secure Firewall FTD products. The flaw, tracked as CVE-2026-76418, resides in the SSL VPN remote access feature and carries a CVSS v3.1 base score of 8.6, rated High severity. Exploitation occurs when secondary authentication is configured on tunnel groups, allowing an attacker to send a crafted request that forces a device reboot without requiring authentication. Cisco confirmed active exploitation of the issue in October 2026. Security updates addressing the vulnerability are now available for both affected product lines. The advisory recommends immediate application of the patches to prevent service disruption.

Security NEXTOct 29, 2026Translated from Japanese