CVE-2021-26718
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker...
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker to disable anti-virus protection.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker to disable anti-virus protection.
- Record
CVE-2021-26718- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker to disable anti-virus protection.
- Record
CVE-2021-26718- Updated
- 2026-11-02
EUVDEUVD-2021-13506 No score
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker to disable anti-virus protection.
- Record
EUVD-2021-13506- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cr93-c4mw-5cqx No score
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker...
KIS for macOS in some use cases was vulnerable to AV bypass that potentially allowed an attacker to disable anti-virus protection.
- Record
GHSA-cr93-c4mw-5cqx- Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26718 is a medium vulnerability (CVSS 5.5) in Kaspersky Internet Security, published April 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. No source names a fixed version.