Security readout for executives and security teams
Plain-English summary
CVE-2026-24793 is a critical memory-safety flaw in AzerothCore WotLK through v4.0.0. The issue is in bundled zlib inflate code and may allow severe compromise without authentication or user interaction, based on the CVSS vector. Organizations running exposed AzerothCore servers should treat this as urgent.
Executive priority
Immediate attention is warranted for any externally reachable AzerothCore WotLK environment. The issue is rated critical and unauthenticated by CVSS, but public exploitation is not confirmed in the provided sources.
Technical view
The CVE describes CWE-120 and CWE-787 conditions in deps/zlib inflate.C: buffer copy without input-size checking and out-of-bounds write. CVSS 4.0 scores it 10.0 with network attack vector, low complexity, no privileges, and no user interaction. The only cited remediation reference is GitHub pull request #21599.
Likely exposure
Exposure is most likely where azerothcore-wotlk through v4.0.0 is deployed, especially if reachable over a network. The source data does not list operating systems, distributions, packages, or hosted services beyond the upstream project.
Exploitation context
CISA KEV status is false, and the provided sources do not claim active exploitation. However, the CVSS vector indicates unauthenticated, network-reachable exploitation with high impact to confidentiality, integrity, and availability if the vulnerable code path is reachable.
Researcher notes
Evidence is limited to the CVE record and the referenced upstream pull request. The affected range is stated as through v4.0.0. The sources do not provide a fixed version number, exploit details, or confirmation of exploitation in the wild.
Mitigation direction
- Identify all azerothcore-wotlk deployments and versions.
- Prioritize systems running through v4.0.0.
- Review GitHub pull request #21599 and vendor project guidance.
- Apply the vendor-approved patch or fixed release when available.
- Restrict network exposure for affected servers until remediated.
- Monitor project advisories for updated fix and release details.
Validation and detection
- Confirm the running azerothcore-wotlk version on each server.
- Check whether local code includes the vulnerable deps/zlib inflate.C implementation.
- Verify whether pull request #21599 or an equivalent fix is applied.
- Review SBOMs or build manifests for affected AzerothCore source revisions.
- Document compensating controls for any temporarily unpatched deployments.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-120: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24793 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (4.0)
- Known Exploited
- No
- Published
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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
10CriticalVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/azerothcore/azerothcore-wotlk/pull/21599CVE reference · patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.