MEDIUM 5.3 Microsoft
CVE-2026-22693
Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS
Microsoft Security Update 2026-Jan: Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS
Affected Products
- azl3 harfbuzz 8.3.0-4 on Azure Linux 3.0
- azl3 harfbuzz 8.3.0-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-22693
- https://nvd.nist.gov/vuln/detail/CVE-2026-22693
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-01-13 via Microsoft. Affected: azl3 harfbuzz 8.3.0-4 on Azure Linux 3.0, azl3 harfbuzz 8.3.0-3 on Azure Linux 3.0.
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