CVE-2026-35429

CVE-2026-35429 is a medium-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-451.

Key facts

Description

User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Frequently asked questions

What is CVE-2026-35429?
User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2026-35429?
CVE-2026-35429 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-35429 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35429?
CVE-2026-35429 affects Microsoft Edge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35429?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35429 have an EU (EUVD) identifier?
Yes. CVE-2026-35429 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29633.
When was CVE-2026-35429 published?
CVE-2026-35429 was published on 2026-05-12 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Microsoft Edge

All CVEs affecting Microsoft Edge →

Other CWE-451 vulnerabilities

Browse all CWE-451 vulnerabilities →