How severe is CVE-2023-6186?

CVE-2023-6186 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-6186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6186?

CVE-2023-6186 primarily affects Libreoffice. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-6186?

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-2023-6186 published?

CVE-2023-6186 was published on 2023-12-11 and last updated on 2026-06-17.

CVE-2023-6186

CVE-2023-6186 is a high-severity vulnerability in Libreoffice with a CVSS 3.x base score of 8.3. 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-281.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-281
Affected product: Libreoffice
Published: 2023-12-11
Last modified: 2026-06-17

Description

Insufficient macro permission validation of The Document Foundation LibreOffice allows an attacker to execute built-in macros without warning. In affected versions LibreOffice supports hyperlinks with macro or similar built-in command targets that can be executed when activated without warning the user.

Frequently asked questions

What is CVE-2023-6186?: Insufficient macro permission validation of The Document Foundation LibreOffice allows an attacker to execute built-in macros without warning. In affected versions LibreOffice supports hyperlinks with macro or similar built-in command targets that can be executed when activated without warning the user.
How severe is CVE-2023-6186?: CVE-2023-6186 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-6186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6186?: CVE-2023-6186 primarily affects Libreoffice. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6186?: 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-2023-6186 published?: CVE-2023-6186 was published on 2023-12-11 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:libreoffice:libreoffice:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

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