Tag: remote code execution

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Security

CVE-2025-53521: F5 BIG-IP APM reclassified as critical RCE — what distinguishes active exploitation from earlier DoS assessments

F5‘s BIG-IP Access Policy Manager vulnerability CVE-2025-53521—originally treated as a denial-of-service issue—was reclassified as an unauthenticated remote code execution (RCE) after March 2026 intelligence showed active exploitation. The change forced CISA into the Known Exploited Vulnerabilities (KEV) list and triggered federal patch mandates; organizations must treat this as an immediate compromise risk, not a mere […]

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Security

CVE-2026-4681: Indicators of active attacks on PTC Windchill and FlexPLM — who must act now

CVE-2026-4681 is a critical remote-code-execution flaw in PTC Windchill PDMLink and FlexPLM tied to unsafe deserialization; independent detections show Indicators of Compromise (IOCs) consistent with active exploitation attempts, so organizations running affected versions should treat this as an incident in progress rather than a purely theoretical risk. Which deployments are at highest immediate risk The […]

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Security

March 13, 2026 — Microsoft issues KB5084597 hotpatch for RRAS RCEs: no-restart fix only for hotpatch‑enrolled Windows 11 Enterprise

Microsoft released out-of-band hotpatch KB5084597 on March 13, 2026, to fix three critical RRAS remote‑code‑execution flaws. The patch can install without rebooting, but only on enterprise devices that meet specific hotpatch enrollment and configuration requirements. Details of the March 13 hotpatch and the vulnerabilities it fixes KB5084597 addresses CVE-2026-25172, CVE-2026-25173, and CVE-2026-26111—integer overflow and heap […]

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