MEDIUM 6.2 Microsoft
CVE-2026-72522
libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.
Microsoft Security Update 2026-Aug: libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.
Affected Products
- azl3 expat 2.8.2-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72522
- https://nvd.nist.gov/vuln/detail/CVE-2026-72522
This medium severity vulnerability with a CVSS score of 6.2 was published on 2026-08-11 via Microsoft. Affected: azl3 expat 2.8.2-1 on Azure Linux 3.0.
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