What is CVE-2026-58012?

CVE-2026-58012 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()

Which CVE IDs does CVE-2026-58012 cover?

CVE-2026-58012 covers the following CVE IDs: CVE-2026-58012. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-58012?

CVE-2026-58012 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-58012MediumCVSS 6.5

Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()

Vendor

Microsoft Security Response Center (MSRC)

Published

July 1, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-58012 →