CVE-2026-70341

⚠️ high

Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

CVSS Score

8.5

High

EPSS Score

0.6

Exploit Probability

Published Date

2026-09-11

First Seen: 2026-09-12

This CVE is High Risk - more severe than 80.2% of all 365,890 vulnerabilities in our database.

#72,494

Top 25% most severe

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-10-06

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-416

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
microsoft	edge	Affected	< 152.0.4191.52
microsoft	edge	Affected	v-
microsoft	edge_chromium	Affected	< 152.0.4191.52

Patch Vendor Advisory

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-88097	⚠️ high	8.1	0.3	Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.	2026-09-18
CVE-2026-69486	⚠️ high	8.8	0.8	Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a net...	2026-09-15
CVE-2026-85893	⚠️ high	8.8	0.8	Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.	2026-09-15
CVE-2026-85892	⚠️ high	7.8	0.2	Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-...	2026-09-14
CVE-2026-77490	🔶 medium	6.1	0.4	Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) ...	2026-09-11
CVE-2026-70331	🔶 medium	5.4	0.3	Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attacker to per...	2026-08-28

These CVEs affect the same products