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CVE-2026-19149: CVE-2026-19149 Use after free in Aura

unknownCVE-2026-19149
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

CSIRTS triage

vendor: Microsoftproduct: Microsoft EdgeMemory corruption
What
A use-after-free vulnerability in Aura was identified in Chromium and is addressed in Microsoft Edge.
Who is affected
Systems running Microsoft Edge are affected; details available in Google Chrome security releases.
Urgency
Moderate urgency; severity unknown but use-after-free bugs are typically exploitable for code execution.
Action
Update Microsoft Edge to the latest version that includes the Chromium security fix.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
unknown
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19149

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-19149coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for CVE-2026-19149 Use after

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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