Mmastodon TechnologyCybersecurity first seen 19 h ago, last 19 h ago, peak #12

New CVE-2026-58854 flaw enables local privilege escalation

Original: 🟠 CVE-2026-58854 - High (7.8) In multiple locations, there is a possible memory corruption due to type confusion. This c

A newly published vulnerability, CVE-2026-58854, has been rated high severity at 7.8. The flaw involves memory corruption caused by type confusion in multiple locations, potentially allowing local escalation of privilege without needing additional execution privileges or any user interaction. Security researchers are circulating details as organisations assess whether their systems are exposed and await patches.

Why now: Security professionals are warning peers about a newly disclosed high-severity vulnerability that needs no user interaction to exploit.

CVE-2026-58854

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Evidence

• 🟠 CVE-2026-58854 - High (7.8) In multiple locations, there is a possible memory corruption due to type confusion. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. 🔗 https://www.… · thehackerwire

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