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VulnerabilityRapid7 Blog·1 week ago

Patch Tuesday - August 2026

August 2026 Patch Tuesday brings 421 vulnerabilities including a critical SharePoint RCE chain discovered by Rapid7 researchers and an actively exploited Windows Ancillary Function Driver elevation-of-privilege flaw, while the pseudonymous researcher "Nightmare Eclipse" continues a pattern of late-cycle disclosures with ShieldBreak, a patch bypass for previously patched Defender vulnerabilities. Microsoft Edge received delayed security patches compared to Chrome, with a five-day gap between Chrome and Edge updates marking an unusual slowdown in the browser's typical patching cadence.

Read full article at Rapid7 Blog

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