CVE-2018-8319 json
Sensitive Data Exposure in msrcrypto
published 2018-07-11 8 y ago modified 2026-06-17 4 mo ago also GHSA-qg3g-2mgh-33j8 , EUVD-2018-0466
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.7%
- EPSS 7.7% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
A Security Feature Bypass vulnerability exists in MSR JavaScript Cryptography Library that is caused by incorrect arithmetic computations, aka "MSR JavaScript Cryptography Library Security Feature Bypass Vulnerability." This affects Microsoft Research JavaScript Cryptography Library.
Patch / fix
- npm msrcrypto 1.4.1
Exploit prediction
7.72% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | msrcrypto | <1.4.1 |
1.4.1 |
Affected products
- Microsoft Microsoft Research JavaScript Cryptography Library
Classification
- Weakness
-
- CWE-682 Incorrect Calculation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8319
web, patch, vendor-advisory
-
securityfocus.com
/bid/104655
vdb-entry, web, third-party-advisory
-
securitytracker.com
/id/1041268
vdb-entry, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-8319
advisory
-
github.com
/advisories/GHSA-qg3g-2mgh-33j8
advisory
-
npmjs.com
/advisories/1112
web
Sources
- CVE List CVE-2018-8319
- GitHub Advisory GHSA-qg3g-2mgh-33j8
- NVD CVE-2018-8319
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.