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[NEW] [high] Microsoft Edge: Multiple vulnerabilities

highCVE-2026-45488CVE-2026-45489CVE-2026-55945CVE-2026-56645CVE-2026-56646CVE-2026-57974
An attacker can exploit multiple vulnerabilities in Microsoft Edge to gain elevated privileges, execute arbitrary code, bypass security measures, conduct spoofing and cross-site scripting attacks, disclose sensitive information, or trigger a denial-of-service condition.

CSIRTS triage

What
An attacker can exploit multiple vulnerabilities in Microsoft Edge to gain elevated privileges, execute arbitrary code, bypass security measures, conduct spoofing and cross-site scripting attacks, disclose sensitive information, or trigger a denial-of-service condition.
Who is affected
Users of Microsoft Edge across various deployments.
Urgency
Remediation is high urgency due to the wide range of potential impacts.
Action
Update Microsoft Edge to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-07-09
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2200

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-2026-45488coverage & exploitation statusNVD · CVE.org
CVE-2026-45489coverage & exploitation statusNVD · CVE.org
CVE-2026-55945coverage & exploitation statusNVD · CVE.org
CVE-2026-56645coverage & exploitation statusNVD · CVE.org
CVE-2026-56646coverage & exploitation statusNVD · CVE.org
CVE-2026-57974coverage & exploitation statusNVD · CVE.org
CVE-2026-57975coverage & exploitation statusNVD · CVE.org
CVE-2026-57977coverage & exploitation statusNVD · CVE.org
CVE-2026-57981coverage & exploitation statusNVD · CVE.org
CVE-2026-57983coverage & exploitation statusNVD · CVE.org
CVE-2026-57984coverage & exploitation statusNVD · CVE.org
CVE-2026-57985coverage & exploitation statusNVD · CVE.org
CVE-2026-57986coverage & exploitation statusNVD · CVE.org
CVE-2026-57987coverage & exploitation statusNVD · CVE.org
CVE-2026-57988coverage & exploitation statusNVD · CVE.org
CVE-2026-57991coverage & exploitation statusNVD · CVE.org
CVE-2026-57992coverage & exploitation statusNVD · CVE.org
CVE-2026-57993coverage & exploitation statusNVD · CVE.org
CVE-2026-58276coverage & exploitation statusNVD · CVE.org
CVE-2026-58278coverage & exploitation statusNVD · CVE.org
CVE-2026-58282coverage & exploitation statusNVD · CVE.org
CVE-2026-58283coverage & exploitation statusNVD · CVE.org
CVE-2026-58284coverage & exploitation statusNVD · CVE.org
CVE-2026-58285coverage & exploitation statusNVD · CVE.org
CVE-2026-58286coverage & exploitation statusNVD · CVE.org
CVE-2026-58287coverage & exploitation statusNVD · CVE.org
CVE-2026-58288coverage & exploitation statusNVD · CVE.org
CVE-2026-58289coverage & exploitation statusNVD · CVE.org
CVE-2026-58290coverage & exploitation statusNVD · CVE.org
CVE-2026-58291coverage & exploitation statusNVD · CVE.org
CVE-2026-58292coverage & exploitation statusNVD · CVE.org
CVE-2026-58293coverage & exploitation statusNVD · CVE.org
CVE-2026-58294coverage & exploitation statusNVD · CVE.org
CVE-2026-58295coverage & exploitation statusNVD · CVE.org
CVE-2026-58296coverage & exploitation statusNVD · CVE.org
CVE-2026-58297coverage & exploitation statusNVD · CVE.org
CVE-2026-58298coverage & exploitation statusNVD · CVE.org
CVE-2026-58299coverage & exploitation statusNVD · CVE.org
CVE-2026-58300coverage & exploitation statusNVD · CVE.org
CVE-2026-58522coverage & exploitation statusNVD · CVE.org
CVE-2026-58524coverage & exploitation statusNVD · CVE.org
CVE-2026-58597coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Microsoft Edge

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.

More from CERT-Bund (BSI) Security Advisories