Microsoft Edge: Mehrere Schwachstellen ermöglichen Codeausführung
WID-SEC-2026-4040 · first 20.10.2026 · updated 20.10.2026 · CVSS 8,8
What it is about
Edge ist ein Web Browser von Microsoft. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft Edge ausnutzen, um beliebigen Programmcode auszuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- Microsoft Edge <154.0.4258.37
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Microsoft Edge 154.0.4258.37
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Release notes for Microsoft Edge Security Updates vom 2026-10-19 learn.microsoft.com
- Microsoft Security Update Guide vom 2026-10-19 msrc.microsoft.com
- Microsoft Security Update Guide vom 2026-10-19 msrc.microsoft.com
- Microsoft Security Update Guide vom 2026-10-19 msrc.microsoft.com
- Microsoft Security Update Guide vom 2026-10-19 msrc.microsoft.com
CVE: CVE-2026-85890, CVE-2026-85897, CVE-2026-96198, CVE-2026-96199
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.