Is CVE-2025-12863 in the CISA KEV catalog?

No. CVE-2025-12863 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-12863?

CVE-2025-12863 has a CVSS v3 base score of 7.5 (Important).

How do I fix or mitigate CVE-2025-12863?

No published fix for CVE-2025-12863 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-12863

HIGH

7.5

CVSS v3

NVD

Description

Rejected reason: This CVE was assigned for a libxml2 issue#1012 but later deemed not valid. Ref.: https://gitlab.gnome.org/GNOME/libxml2/-/issues/1012#note_2608283

How to fix

No published remediation has been found for this vulnerability's affected products yet.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P

Exploit Intelligence

EPSS data unavailable for this CVE.

Embed a live status badge for CVE-2025-12863

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-20.