CVE-2018-8319
CVE-2018-8319 is a critical-severity vulnerability in Microsoft Research Javascript Cryptography Library with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-682.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 7% (93rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-682
- Affected product: Microsoft Research Javascript Cryptography Library
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-8319?
- 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.
- How severe is CVE-2018-8319?
- CVE-2018-8319 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-8319 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8319?
- CVE-2018-8319 affects Microsoft Research Javascript Cryptography Library. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-8319?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-8319 published?
- CVE-2018-8319 was published on 2018-07-11 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/104655
- http://www.securitytracker.com/id/1041268
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319
Affected products (1)
- cpe:2.3:a:microsoft:research_javascript_cryptography_library:1.4:*:*:*:*:*:*:*
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