Security Affairs newsletter Round 564 by Pierluigi Paganini

The affected products are vulnerable to an unauthenticated API endpoint exposure, which may allow an attacker to remotely change the "forgot password" recovery email address.

CVE-2026-2441 is a use-after-free (CWE-416) in Google Chromium's CSS handling that a remote attacker can trigger by getting a user's browser to process a crafted HTML page, potentially corrupting the heap. Successful exploitation yields a memory-corruption primitive in the browser; CVSS scoring is not yet available, but Chromium memory-safety flaws of this class can range from crashes to potential code execution depending on how the corruption is leveraged. Anyone running Chromium or a Chromium-based browser — Google Chrome, Microsoft Edge, Opera, and numerous embedded/branded browsers — is potentially affected, making the exposed population effectively all modern browser users. CISA added the flaw to the Known Exploited Vulnerabilities catalog on 2026-02-17, confirming it is being exploited in the wild; EPSS assigns a 22% probability of exploitation within 30 days (98th percentile), no public PoC is known, and any ransomware association is unknown. This lands amid an accelerating series of actively exploited Chrome zero-days in 2026 described in recent reporting, making rapid patching urgent.

Do: Update Chromium and every Chromium-based browser in your estate (Chrome, Edge, Opera, Brave, and embedded browsers) to the latest vendor-stable release — recent reporting places the current patched release at Chrome 153 — and verify installed versions via the browser's About/Settings page. Per CISA's KEV required action, apply mitigations per vendor instructions or follow BOD 22-01 guidance for cloud services, and discontinue use if mitigations are unavailable. Until patched, restrict high-risk users' browsing to trusted sites and monitor vendor advisories for the specific fixed build, since exact version details are not yet published in this data.