CVE-2026-20942
Microsoft Edge (Chromium-based) Spoofing vulnerability
MSRC advisory October 27, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-20942
- CWE
- CWE-1021
- Affected products
- Microsoft Edge (Chromium-based) Spoofing · Microsoft Microsoft Edge (Chromium-based) Spoofing · Microsoft
What happened
Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
What it means for your business
Microsoft Edge (Chromium-based) Spoofing vulnerability (CVE-2026-20942) was added to Microsoft’s security update guidance. Improper restriction of rendered ui layers or frames in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. If you need help checking exposure, call (864) 335-9223.
CVSS score
4.3 (Medium)
EPSS probability
0.64%
Sources
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