CVE-2026-42891 Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability
An attacker can spoof critical UI information in Microsoft Edge for Android, potentially misleading users about the current page context.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42891?
CVE-2026-42891 is a medium-severity vulnerability in Microsoft Edge Chromium, published on 12 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Weakness: CWE-451
Which versions are affected by CVE-2026-42891?
It affects 1 product.
Products include Microsoft Edge Chromium.
How do I fix CVE-2026-42891?
No fix has been published for CVE-2026-42891 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-42891 being exploited?
There is no known exploitation of CVE-2026-42891 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Edge Chromium
- CVE-2024-21326 Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- CVE-2023-35618 Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- CVE-2023-36735 Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
- CVE-2022-33649 Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability
- CVE-2026-58289 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Sources
Also known as GHSA-hg2q-w8gq-jmf7.