CVE-2026-70341
highpriority · track · 35EPSS 0.006 · 50 %ileUSEPSS · scored 2026-10-27
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedMicrosoft Edge (Chromium-based)msrc_csaf
152.0.4191.52:Security Update:https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security - FixedMicrosoft Edge for Androidmsrc_csaf
152.0.4191.52:Security Update:https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security - FixedMicrosoft Edge for Linuxmsrc_csaf
152.0.4191.52:Security Update:https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security - FixedMicrosoft Edge for MACmsrc_csaf
152.0.4191.52:Security Update:https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security - FixedMicrosoft Edge for iOSmsrc_csaf
152.0.4191.52:Security Update:https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- msrc_CVE-2026-70341Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability2026-08-28csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
sources
Which sources assert this record, and when.
references (1) nvd
External citations — patches, advisories, analysis.
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70341PatchVendor Advisory
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