CVE-2026-10992: Chrome Animation Data Validation Flaw Leaks Process Memory

Technical summary

CVE-2026-10992 stems from insufficient input validation (CWE-20) in Chrome's Animation subsystem. The vulnerability allows an unauthenticated remote attacker to craft HTML content that triggers improper memory access, exfiltrating data from the Chrome process address space. The network vector, low attack complexity, and requirement only for user interaction (clicking a link, viewing a page) create a practical exploitation scenario. The integrity and availability of the system remain unaffected; the confidentiality impact is rated high because arbitrary process memory may be readable.

Business impact

Successful exploitation exposes potentially sensitive user data resident in Chrome's memory, including cached credentials, session tokens, personal information from active web applications, or data from other browser tabs. For organizations where employees access sensitive systems via Chrome, or for users managing financial or healthcare data through web interfaces, this vulnerability poses a meaningful data loss risk. The barrier to exploitation is low—users need only visit a malicious or compromised website—making widespread phishing or watering-hole campaigns viable attack vectors.

Affected systems

All Google Chrome installations prior to version 149.0.7827.53 are vulnerable. This includes Chrome on Windows, macOS, and Linux. Mobile Chrome versions aligned with this release timeline are also affected. Organizations relying on Chrome as a primary browser across their workforce should prioritize inventory and patching of affected instances.

Exploitability

Exploitability is straightforward from an attacker perspective. The attack vector is network-based, requiring no privilege or local access. The user interaction requirement (visiting a crafted page) is a practical constraint but not a significant barrier given common phishing, compromised ad networks, or supply-chain injection scenarios. No exploit has been added to the CISA KEV catalog, indicating it is not yet observed in active, widespread attacks in-the-wild, though this does not eliminate the risk.

Remediation

Organizations should prioritize patching Chrome to version 149.0.7827.53 or later across all managed endpoints. For users, Chrome's auto-update mechanism typically deploys patches automatically within days of release, though verification is recommended. Until patching is complete, users should exercise heightened caution when visiting untrusted websites or clicking links from unsolicited messages.

Patch guidance

Verify that your Chrome installations are running version 149.0.7827.53 or newer by navigating to chrome://version in the address bar. Chrome updates are typically deployed automatically; administrators can accelerate rollout via group policy (Windows) or MDM solutions. Ensure your update channels are configured to pull from Google's official release repositories. Test patching in a staging environment if your organization maintains strict change-control procedures.

Detection guidance

Monitor for unusual child process creation or memory read patterns originating from Chrome, particularly if correlated with visits to suspicious domains. Endpoint Detection and Response (EDR) solutions can flag abnormal memory access by the Chrome process. Web proxies and DNS filtering can block known malicious domains that might host exploit pages. Consider deploying Content Security Policy (CSP) headers on internal web applications to reduce the attack surface. Regular browser and OS patching reduces the overall exploitability window.

Why prioritize this

Although this vulnerability carries a CVSS score of 6.5 (Medium), its practical exploitability via simple HTML delivery, combined with the high confidentiality impact and ubiquity of Chrome in enterprise environments, warrants prompt patching. The lack of KEV designation suggests it has not yet been weaponized at scale, but the low barrier to exploitation means this status could change rapidly. Prioritize patching user-facing and internet-connected systems first.

Risk score, explained

The CVSS 3.1 score of 6.5 reflects a network-accessible vulnerability with low attack complexity and high confidentiality impact, offset by the requirement for user interaction and no impact on integrity or availability. The score appropriately captures the risk: not critical, but substantial enough to warrant rapid remediation in most organizational contexts, particularly for users handling sensitive data through web browsers.

Frequently asked questions