Chrome 155.0.8059.84/.85 (15 Oct): 10 security fixes including critical Prerender use-after-free CVE-2026-110922; DOM bug credited to an Anthropic researcher assisted by Claude; no exploitation noted
Google's Chrome Releases blog says the Stable channel was updated on 15 October 2026 to 155.0.8059.84/.85 for Windows and Mac and 155.0.8059.84 for Linux, rolling out over the coming days and weeks, with 10 security fixes. The one Critical bug is CVE-2026-110922, a use-after-free in Prerender reported by Xinyang Ge on 2 October. The six High bugs are CVE-2026-110913 (memory corruption in DOM, reported by Xinyang Ge of Anthropic, assisted by Claude, on 29 September), CVE-2026-110919 and CVE-2026-110921 (use-after-free in V8), CVE-2026-110920 (memory corruption in V8), CVE-2026-110918 (memory corruption in Core, found by Google) and CVE-2026-110917 (memory corruption in SVG, reported by C0rk1). The three Medium bugs are CVE-2026-110916 (improper input validation in Desktop), CVE-2026-110915 (use-after-free in Compositing) and CVE-2026-110914 (memory corruption in Workers). Google does not say any of them is exploited and does not publish CVSS scores; bug details stay restricted until most users have updated. The same day, Extended Stable moved to 152.0.7977.169 for Windows and Mac with 10 fixes, including Critical CVE-2026-110151 and CVE-2026-110922, and Chrome 155.0.8059.84 for Android carries the same fixes as desktop. This follows the 13 October 155.0.8059.79/.80 release, which is a separate card. Primary: Chrome Releases (15 Oct 2026); wire: Cyber Security News (17 Oct 2026).
- Product
- Google Chrome desktop (Windows, Mac, Linux), Chrome for Android; Extended Stable 152
- Versions
- Fixed: Chrome 155.0.8059.84/.85 (Windows, Mac), 155.0.8059.84 (Linux, Android); Extended Stable 152.0.7977.169 (Windows, Mac). Earlier builds are affected.
- Exploited in Australia?
- unknown
- Patch to
- Update Chrome to 155.0.8059.84 or later and relaunch the browser (Extended Stable: 152.0.7977.169; Android: 155.0.8059.84 from Google Play). Managed fleets: confirm the update has applied and users have restarted, and watch for matching Edge, Brave and Opera releases.
Primary: Chrome Releases — Stable Channel Update for Desktop, 155.0.8059.84/.85 (15 Oct 2026) · Vendor: Chrome Releases — Extended Stable 152.0.7977.169 and Chrome for Android 155.0.8059.84 (15 Oct 2026) · CVE: CVE-2026-110922, CVE-2026-110913, CVE-2026-110919, CVE-2026-110921, CVE-2026-110920, CVE-2026-110918, CVE-2026-110917, CVE-2026-110916, CVE-2026-110915, CVE-2026-110914, CVE-2026-110151 · Cyber Security News — Google fixes 10 Chrome vulnerabilities, including memory corruption flaw found with Claude AI (17 Oct 2026)