Multiple vulnerabilities in Microsoft Edge (July 24, 2026)

unknownCVE-2026-16423 CVE-2026-16418 CVE-2026-16413 CVE-2026-16420 CVE-2026-16422 CVE-2026-16416

Multiple vulnerabilities have been discovered in Microsoft Edge. They allow an attacker to cause an unspecified security issue by the vendor.

CSIRTS triage

vendor: Microsoft product: EdgeOther

What: Multiple vulnerabilities allow an attacker to cause an unspecified security issue.
Who is affected: Users of Microsoft Edge are affected.
Urgency: Remediation is necessary due to potential security issues, though exploitation status is currently unknown.
Action: Users should apply any available updates for Microsoft Edge.

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

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-07-24
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0924/

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.

Low exploitation riskCVE-2026-164230.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
Low exploitation riskCVE-2026-164180.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
Low exploitation riskCVE-2026-164130.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Low exploitation riskCVE-2026-164200.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
Low exploitation riskCVE-2026-164220.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
Low exploitation riskCVE-2026-164160.09% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all scored CVEs.
Low exploitation riskCVE-2026-164240.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all scored CVEs.
Low exploitation riskCVE-2026-164210.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Low exploitation riskCVE-2026-164190.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
Low exploitation riskCVE-2026-164150.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-16423	coverage & exploitation status	NVD · CVE.org
CVE-2026-16418	coverage & exploitation status	NVD · CVE.org
CVE-2026-16413	coverage & exploitation status	NVD · CVE.org
CVE-2026-16420	coverage & exploitation status	NVD · CVE.org
CVE-2026-16422	coverage & exploitation status	NVD · CVE.org
CVE-2026-16416	coverage & exploitation status	NVD · CVE.org
CVE-2026-16424	coverage & exploitation status	NVD · CVE.org
CVE-2026-16421	coverage & exploitation status	NVD · CVE.org
CVE-2026-16419	coverage & exploitation status	NVD · CVE.org
CVE-2026-16415	coverage & exploitation status	NVD · CVE.org
CVE-2026-16414	coverage & exploitation status	NVD · CVE.org
CVE-2026-16417	coverage & exploitation status	NVD · 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.

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