Microsoft Edge Multiple Vulnerabilities
CSIRTS triage
- What
- Microsoft Edge contains multiple unspecified vulnerabilities tracked across six CVEs.
- Who is affected
- All users of Microsoft Edge running versions prior to the fix.
- Urgency
- Immediate patching is recommended as multiple vulnerabilities in a widely-deployed browser warrant urgent remediation.
- Action
- Update Microsoft Edge to the latest available version that resolves CVE-2026-19556, CVE-2026-19557, CVE-2026-19558, CVE-2026-19559, CVE-2026-19560, and CVE-2026-72970.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.hkcert.org/security-bulletin/microsoft-edge-multiple-vulnerabilities_20260817
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-2026-195560.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-195570.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-195580.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-195590.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-195600.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-729700.51% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-19556 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19557 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19558 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19559 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19560 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-72970 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- highCVE-2026-72970: Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker …nvd
- high[NEW] [high] Google Chrome: Multiple Vulnerabilities Enable Unspecified Attackcert-bund
- unknownDSA-6436-1 chromium - security updatedebian
- unknownGoogle Chrome Multiple Vulnerabilitieshkcert
- unknownMultiple vulnerabilities in Google Chrome (August 12, 2026)cert-fr-avis
- highCVE-2026-19560: Use after free in Blink in Google Chrome prior to 151.0.7922.137 allowed a remote attacker to …nvd
- highCVE-2026-19559: Use after free in HTML in Google Chrome prior to 151.0.7922.137 allowed a remote attacker to e…nvd
- highCVE-2026-19558: Use after free in Extensions in Google Chrome prior to 151.0.7922.137 allowed an attacker who …nvd
- highCVE-2026-19557: Use after free in TabStrip in Google Chrome on Mac prior to 151.0.7922.137 allowed a remote at…nvd
- highCVE-2026-19556: Use after free in V8 in Google Chrome prior to 151.0.7922.137 allowed a remote attacker to exe…nvd
- highCVE-2026-72970: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerabilitymsrc
- unknownCVE-2026-19560: Chromium: CVE-2026-19560 Use after free in Blinkmsrc
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