What is CVE-2026-24793?

CVE-2026-24793 is a critical-severity vulnerability in Azerothcore, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-01-27.

How severe is CVE-2026-24793?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Azerothcore

CVE-2026-24793

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.

Vulnerability class: Buffer Overflow

Published 2026-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Azerothcore
Azerothcore Azerothcore-Wotlk — versions 0

Weakness classification (CWE)

References

github.com/azerothcore/azerothcore-wotlk/pull/21599 (Patch, patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-24793?: CVE-2026-24793 is a critical-severity vulnerability in Azerothcore, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-01-27.
How severe is CVE-2026-24793?: Critical severity. CVSS v3 base score is 9.8 out of 10.