EUVD-2026-67846
GHSA-wjm5-2899-cw52
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Network delivery with no attacker privileges, but requires user to trigger AI feature; spoofing yields limited confidentiality and integrity impact only.
Primary rating from Vendor (microsoft).
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionNVD
Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to perform spoofing over a network.
AnalysisAI
Prompt injection in Microsoft Edge for iOS exposes users to network-based spoofing attacks through Microsoft Edge's AI/Copilot integration. Malicious web content can embed adversarial LLM prompts that, when processed by Edge's AI features, manipulate the model to produce spoofed or misleading output - potentially impersonating trusted content or bypassing AI-enforced guardrails. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | User must be running Microsoft Edge on an iOS device with Copilot or AI-powered features active and accessible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world priority for this vulnerability is moderate. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the latest Microsoft Edge for iOS update, as a vendor-released patch is confirmed available per the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70331. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Security-feature bypass in Microsoft Edge (Chromium-based) versions prior to 150.0.4078.48 lets a remote, unauthenticate
Remote code execution in Microsoft Edge (Chromium-based) before 151.0.4129.59 allows a network attacker to run arbitrary
Remote code execution via buffer over-read in Microsoft Edge (Chromium-based) versions prior to 151.0.4129.59 affects au
Remote code execution in Microsoft Edge (Chromium-based) prior to version 151.0.4129.59 is achievable by an unauthentica
Remote code execution in Microsoft Edge (Chromium-based) stems from a use-after-free memory corruption flaw (CWE-416) th
Remote code execution in Microsoft Edge (Chromium-based) allows an unauthenticated attacker to run arbitrary code by lur
Remote code execution in Microsoft Edge (Chromium-based) stems from a heap-based buffer overflow (CWE-122) that a networ
Remote code execution in Microsoft Edge (Chromium-based) before version 150.0.4078.48 allows an unauthenticated remote a
Remote code execution in Microsoft Edge (Chromium-based) is enabled by a type confusion vulnerability (CWE-843) that can
Remote code execution in Microsoft Edge (Chromium-based) stems from a use-after-free (CWE-416) memory-corruption flaw th
Remote code execution in Microsoft Edge (Chromium-based) lets an unauthenticated network attacker run arbitrary code by
Remote code execution in Microsoft Edge (Chromium-based) before 150.0.4078.48 allows an unauthenticated attacker to run
Same technique Authentication Bypass
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External POC / Exploit Code
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