CVE-2026-103111

High

Description

PCRE2 before 10.49, when there is an attacker-controlled regular expression and certain JIT API usage, allows an out-of-bounds write with arbitrary data.

SeverityHigh
CVSS7.6
Exploit probability—
ProductMicrosoft Azl3 Pcre2 10.48-1
PublishedSep 30, 2026
First seenSep 30, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
microsoft azl3_pcre2_10.48-1No range specified—
microsoft azl3_rust_1.96.1-2No range specified—
microsoft azl3_rust_1.98.1-1No range specified—

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