How severe is CVE-2018-16266?

CVE-2018-16266 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2018-16266 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16266?

CVE-2018-16266 primarily affects Linux Tizen. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-16266?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-16266 published?

CVE-2018-16266 was published on 2020-01-22 and last updated on 2026-06-17.

CVE-2018-16266

CVE-2018-16266 is a high-severity vulnerability in Linux Tizen with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 4.8
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Linux Tizen
Published: 2020-01-22
Last modified: 2026-06-17

Description

The Enlightenment system service in Tizen allows an unprivileged process to fully control or capture windows, due to improper D-Bus security policy configurations. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.

Frequently asked questions

What is CVE-2018-16266?: The Enlightenment system service in Tizen allows an unprivileged process to fully control or capture windows, due to improper D-Bus security policy configurations. This affects Tizen before 5.0 M1, and Tizen-based firmwares including Samsung Galaxy Gear series before build RE2.
How severe is CVE-2018-16266?: CVE-2018-16266 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2018-16266 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16266?: CVE-2018-16266 primarily affects Linux Tizen. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-16266?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-16266 published?: CVE-2018-16266 was published on 2020-01-22 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:o:linux:tizen:1.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:1.0:m1:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.3.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:2.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:3.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:3.0:m2:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:3.0:m3:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:4.0:m1:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:4.0:m2:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:4.0:m3:*:*:*:*:*:*
cpe:2.3:o:linux:tizen:5.0:*:*:*:*:*:*:*

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