Security readout for executives and security teams
Plain-English summary
CVE-2026-75357 is a reported critical flaw in Bilibili Desktop 1.17.9 that could let a remote attacker run arbitrary code. Successful compromise could expose information, alter system data, or disrupt the affected computer. The supplied record does not identify a patched version or vendor mitigation.
Executive priority
Treat as an urgent endpoint-risk investigation because the reported impact is complete system compromise without authentication or user interaction. Prioritize identifying version 1.17.9 installations and obtaining authoritative remediation guidance; immediate emergency action should reflect actual deployment and exposure.
Technical view
The record attributes arbitrary code execution to the bili-inject.js and bili-bridge.js components and classifies it as CWE-94. Its CVSS 3.1 score is 9.8, describing network access, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact. Detailed prerequisites are not established in the supplied bundle.
Likely exposure
Exposure is most likely limited to endpoints running Bilibili Desktop 1.17.9. The structured affected-product fields are listed as unavailable, so broader version or platform exposure cannot be confirmed from the supplied evidence.
Exploitation context
The CVSS vector describes a remotely reachable, unauthenticated, low-complexity condition requiring no user interaction. However, the CVE is not listed in KEV, and the supplied evidence does not establish active exploitation, public weaponization, or observed attacks.
Researcher notes
The public record identifies two JavaScript components but the supplied bundle does not establish the trust-boundary failure, reachable IPC paths, supported operating systems, fixed versions, or exploitation evidence. The structured vendor and product fields are unavailable despite the description naming Bilibili Desktop 1.17.9. Validate conclusions against the linked advisories and vendor guidance.
Mitigation direction
- Inventory endpoints for Bilibili Desktop 1.17.9.
- Check Bilibili or distributor guidance for an updated or fixed release.
- Restrict or remove the affected application where business use is unnecessary.
- Apply endpoint controls that limit untrusted application code execution.
Validation and detection
- Confirm installed Bilibili Desktop versions across managed endpoints.
- Verify whether any deployed release supersedes version 1.17.9.
- Review vendor guidance for affected platforms, prerequisites, and remediation.
- Monitor endpoint telemetry for unexpected child processes or application-originated code execution.
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-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-75357 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
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
SSVC decision data
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/LeoWSY-hashblue/bilibili-desktop-ipc-origin-validation/blob/main/advisory.mdCVE reference, mitre
- https://github.com/LeoWSY-hashblue/cve-electron-2/blob/master/bilibili-desktop/cve.mdCVE reference, mitre
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.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.