What is CVE-2026-44950?

CVE-2026-44950 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. fs_read_glyphs() heap buffer overflow via cumulative glyph data overflow in libXfont2

Which CVE IDs does CVE-2026-44950 cover?

CVE-2026-44950 covers the following CVE IDs: CVE-2026-44950. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-44950?

CVE-2026-44950 has a CVSS v3 base score of 9.0, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-44950?

CVE-2026-44950 affects 1 product, including: azl3 libXfont2 2.0.8-1 on Azure Linux 3.0.

CVE-2026-44950HighCVSS 9.0

fs_read_glyphs() heap buffer overflow via cumulative glyph data overflow in libXfont2

Vendor

Microsoft Security Response Center (MSRC)

Published

September 17, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-44950 →

🎯 Affected products1

azl3 libXfont2 2.0.8-1 on Azure Linux 3.0

✅ Remediation

Security Update — fixed build 2.0.9-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44950
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade