CVE-2022-27534
CVE-2022-27534 is a critical-severity vulnerability in Kaspersky Anti-virus with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (86th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Kaspersky Anti-virus
- Published:
- Last modified:
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).
Frequently asked questions
- What is CVE-2022-27534?
- 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).
- How severe is CVE-2022-27534?
- CVE-2022-27534 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-27534 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-27534?
- CVE-2022-27534 primarily affects Kaspersky Anti-virus. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-27534?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2022-27534 published?
- CVE-2022-27534 was published on 2022-04-01 and last updated on 2026-06-17.
References
Affected products (6)
- cpe:2.3:a:kaspersky:anti-virus:*:*:*:*:*:*:*:*
- cpe:2.3:a:kaspersky:endpoint_security:*:*:*:*:*:*:*:*
- cpe:2.3:a:kaspersky:internet_security:*:*:*:*:*:*:*:*
- cpe:2.3:a:kaspersky:security_cloud:*:*:*:*:*:*:*:*
- cpe:2.3:a:kaspersky:small_office_security:*:*:*:*:*:*:*:*
- cpe:2.3:a:kaspersky:total_security:*:*:*:*:*:*:*:*
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