CVE-2026-70331 json
Microsoft Edge for iOS Spoofing Vulnerability
published 2026-08-28 2 mo ago modified 2026-10-30 9 d ago also EUVD-2026-67846
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.
Patch / fix
- Microsoft Microsoft Edge (Chromium-based) 150.0.4078.50
- Microsoft Microsoft Edge for iOS 150.0.4078.50
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
Affected products
- Microsoft Microsoft Edge (Chromium-based)
- Microsoft Microsoft Edge for iOS
Classification
- Weakness
-
- CWE-1427 Improper Neutralization of Input Used for LLM Prompting
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-70331
vendor-advisory, patch
Sources
- CVE List CVE-2026-70331
- NVD CVE-2026-70331
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.