Multiple vulnerabilities in Microsoft Edge (August 17, 2026)

unknownCVE-2026-19556 CVE-2026-19560 CVE-2026-72970 CVE-2026-19559 CVE-2026-19558 CVE-2026-19557

Multiple vulnerabilities have been discovered in Microsoft Edge. They allow an attacker to cause remote arbitrary code execution and an unspecified security issue by the publisher.

CSIRTS triage

vendor: Microsoft product: Edge Remote code executionOther

What: Multiple vulnerabilities in Microsoft Edge allow remote arbitrary code execution and an unspecified security issue.
Who is affected: All users of Microsoft Edge are affected.
Urgency: Patch without delay; remote code execution vulnerabilities in browsers pose immediate risk to all users.
Action: Update Microsoft Edge to the latest version containing the security fixes.

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

⚡ Watch Edge

Get an email when a new Edge advisory drops — max one per day, one-click unsubscribe.

Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-08-17
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-1034/

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-2026-195560.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-195600.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-729700.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-195590.40% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-195580.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-195570.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-19556	coverage & exploitation status	NVD · CVE.org
CVE-2026-19560	coverage & exploitation status	NVD · CVE.org
CVE-2026-72970	coverage & exploitation status	NVD · CVE.org
CVE-2026-19559	coverage & exploitation status	NVD · CVE.org
CVE-2026-19558	coverage & exploitation status	NVD · CVE.org
CVE-2026-19557	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.

unknownMicrosoft Edge Multiple Vulnerabilitieshkcert · 2026-08-24
unknownMultiple vulnerabilities in Microsoft Edge (August 21, 2026)cert-fr-avis · 2026-08-21
unknownMicrosoft Edge security advisory (AV26-822)cccs · 2026-08-17
high[NEW] [high] Microsoft Edge: Vulnerability enables code executioncert-bund · 2026-08-17
unknownMicrosoft Edge Multiple Vulnerabilitieshkcert · 2026-08-17
highCVE-2026-72970: Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker …nvd · 2026-08-14