MEDIUM 6.5 Microsoft
CVE-2026-89158
PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Microsoft Security Update 2026-Sep: PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.
Affected Products
- azl3 pcre2 10.42-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89158
- https://nvd.nist.gov/vuln/detail/CVE-2026-89158
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-09-08 via Microsoft. Affected: azl3 pcre2 10.42-3 on Azure Linux 3.0.
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