Security readout for executives and security teams
Plain-English summary
CVE-2026-24817 is a high-severity memory corruption issue in praydog UEVR before version 1.05. The flaw is an out-of-bounds write in bundled Lua source files. Public sources do not show active exploitation. Organizations using UEVR should prioritize identifying any pre-1.05 installations and moving to the fixed version or vendor patch path.
Executive priority
Prioritize remediation for teams or users running UEVR before 1.05, especially where the tool is broadly deployed or exposed to externally sourced content. Business urgency is high because memory corruption can cause service disruption, but current public evidence does not show active exploitation.
Technical view
The CVE describes CWE-787 out-of-bounds write in praydog UEVR dependencies/lua/src modules, specifically ldebug.C and lvm.C. The reported CVSS 4.0 score is 8.7. The CVSS vector indicates network attackability, low complexity, no privileges, no user interaction, high vulnerable-system availability impact, and low subsequent-system availability impact.
Likely exposure
Exposure appears limited to environments running praydog UEVR before 1.05. The provided affected data is sparse and internally awkward, listing version “0” while the description states “before 1.05.” Validate against actual installed UEVR versions and vendor release artifacts.
Exploitation context
The source bundle does not cite exploitation in the wild, and the CVE is not marked in KEV. No public exploit status is established here. Treat this as a serious memory-safety vulnerability, but do not assume active exploitation without new vendor, KEV, or credible public reporting.
Researcher notes
Evidence is limited to the CVE record, CVE List JSON, and GitHub PR 336. The affected-version metadata is less precise than the description. Avoid inferring exploitability beyond the CVSS vector and CWE. Focus validation on version confirmation and whether the Lua-related patch is present.
Mitigation direction
- Upgrade praydog UEVR to version 1.05 or later.
- Review GitHub pull request 336 for the vendor patch context.
- If upgrade is not possible, check vendor guidance for interim controls.
- Track the CVE record for updated affected-version details.
Validation and detection
- Inventory systems where praydog UEVR is installed.
- Flag any UEVR version earlier than 1.05.
- Confirm the installed build includes the PR 336 fix.
- Document exceptions where UEVR cannot be upgraded promptly.
- Monitor CVE and vendor sources for revised advisories.
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-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-2026-24817 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
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
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:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:M/U:Amber——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:D/RE:M/U:Amber
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/praydog/UEVR/pull/336CVE 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.
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.