CVE-2022-27534

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-01 · updated 2026-06-17

Description

Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus databases released before 12 March 2022 had a bug in a data parsing module that potentially allowed an attacker to execute arbitrary code. The fix was delivered automatically. Credits: Georgy Zaytsev (Positive Technologies).

Affected products

Kaspersky Anti-Virus: before 12.03.2022 — fixed in 12.03.2022
Kaspersky Endpoint Security for Windows: before 12.03.2022 — fixed in 12.03.2022
Kaspersky Internet Security: before 12.03.2022 — fixed in 12.03.2022
Kaspersky Security Cloud: before 12.03.2022 — fixed in 12.03.2022
Kaspersky Small Office Security: before 12.03.2022 — fixed in 12.03.2022
Kaspersky Total Security: before 12.03.2022 — fixed in 12.03.2022

How to fix

Upgrade to a fixed version: Kaspersky Anti-Virus 12.03.2022; Kaspersky Endpoint Security for Windows 12.03.2022; Kaspersky Internet Security 12.03.2022; Kaspersky Security Cloud 12.03.2022; Kaspersky Small Office Security 12.03.2022; Kaspersky Total Security 12.03.2022. Check the vendor advisory for mitigations.

References

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