On November 25, 2025, CERT‑FR released an advisory (CERTFR‑2025‑AVI‑1039) identifying a vulnerability in Kaspersky Security Center that can allow attackers to compromise the integrity of data. The flaw affects the Windows version of Kaspersky Security Center when the security patch has not been applied. Kaspersky’s own security bulletin (12430#241125, dated November 24, 2025) documents the issue and provides corrective measures. CERT‑FR recommends that users apply the vendor’s patch as detailed in the bulletin. The advisory is part of the national cyber‑security monitoring system managed by the Prime Minister’s office and the National Agency for Information Systems Security. The advisory also lists affected configurations and advises administrators to verify patch status promptly. See Kaspersky’s bulletin for full details at https://support.kaspersky.com/vulnerability/list-of-advisories/12430#241125.
Summary of content from
https://www.cert.ssi.gouv.fr/avis/CERTFR-2025-AVI-1039/
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