Is CVE-2026-58853 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-58853?

CVE-2026-58853 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-58853

Description

In multiple functions of ipphelper.c, there is a possible stack bugger overflow due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.