CVE-2026-70331

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 61/100
Published: 2026-08-28 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Required
S: Unchanged
C: Low
I: Low
A: None

Description

Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.

Affected Software (6)

VendorProductVersion
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0 < 150.0.4078.50
Microsoft Microsoft Edge (Chromium-based) 1.0.0.0 < 150.0.4078.50
Microsoft Microsoft Edge for iOS 1.0.0.0 < 150.0.4078.50
Microsoft Microsoft Edge for iOS 1.0.0.0 < 150.0.4078.50
microsoft edge < 150.0.4078.50
microsoft edge_chromium < 150.0.4078.50

References & Advisories (1)

Bug Bounty Relevance

61 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

5.4 / 10.0 v3.1
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

EPSS — Exploitation Probability

0.41%
Raw Score 0.004130
Percentile 35.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00413
2026-10-28
0.00413

Intelligence Sources

mitre ref →