Vulnerability · Published Jan 27, 2026 · Assigned by GovTech CSG

CVE-2026-24793A heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlk

Critical 10.0

In plain English

A critical-severity out-of-bounds write in azerothcore-wotlk from azerothcore. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.3%top 73.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in azerothcore azerothcore-wotlk (deps/zlib modules). This vulnerability is associated with program files inflate.C. This issue affects azerothcore-wotlk: through v4.0.0.

Affected products (as reported)

VendorProductVersions
azerothcore azerothcore-wotlk 0 – through v4.0.0

Weakness: CWE-787, CWE-120 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:L/U:Red

References