CRITICAL
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
Published Jul 11, 2018
9.8
CRITICALCVSS 3.0
EPSS 7.50%
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.
Affected products
-
- Version Microsoft Research JavaScript Cryptography LibraryStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Research JavaScript Cryptography Library | n/a |
|
- 1.4
No data.
No Red Hat product state for this CVE.
msrcrypto
npm
Introduced 0 Fixed 1.4.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | msrcrypto | 0 | 1.4.1 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
7.50% 0.07504
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.07504
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.50% (0.07504) | 94.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.03% (0.07035) | 93.34th | v5 (v2026.06.15) |
| Jun 13, 2026 | 16.48% (0.16480) | 95.06th | v4 (v2025.03.14) |
| Apr 18, 2026 | 14.82% (0.14817) | 94.53th | v4 (v2025.03.14) |
| Apr 2, 2026 | 17.32% (0.17319) | 95.02th | v4 (v2025.03.14) |
| Jan 25, 2026 | 13.25% (0.13249) | 93.95th | v4 (v2025.03.14) |
| Dec 27, 2025 | 14.29% (0.14293) | 94.21th | v4 (v2025.03.14) |
| Nov 29, 2025 | 12.62% (0.12617) | 93.69th | v4 (v2025.03.14) |
| Nov 21, 2025 | 9.72% (0.09716) | 92.62th | v4 (v2025.03.14) |
| Nov 18, 2025 | 10.87% (0.10874) | 92.66th | v4 (v2025.03.14) |
| Nov 2, 2025 | 9.72% (0.09716) | 92.62th | v4 (v2025.03.14) |
| Jul 5, 2025 | 7.40% (0.07396) | 91.27th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.66% (0.05656) | 89.43th | v4 (v2025.03.14) |
| Mar 29, 2025 | 24.89% (0.24892) | 93.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.66% (0.05656) | 89.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.51% (0.00510) | 77.38th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.51% (0.00510) | 76.32th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.61% (0.00607) | 78.01th | v3 (v2023.03.01) |
| Jan 10, 2024 | 0.72% (0.00722) | 78.57th | v3 (v2023.03.01) |
| Dec 1, 2023 | 0.69% (0.00685) | 77.70th | v3 (v2023.03.01) |
| Aug 8, 2023 | 1.26% (0.01256) | 83.82th | v3 (v2023.03.01) |
| Jul 8, 2023 | 1.28% (0.01276) | 83.82th | v3 (v2023.03.01) |
| Jul 4, 2023 | 2.17% (0.02167) | 87.78th | v3 (v2023.03.01) |
| May 8, 2023 | 2.15% (0.02150) | 87.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.26% (0.01265) | 83.49th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.42% (0.06416) | 91.03th | v2 (v2022.01.01) |
| Oct 31, 2022 | 6.42% (0.06416) | 90.76th | v2 (v2022.01.01) |
| May 23, 2022 | 5.85% (0.05853) | 89.68th | v2 (v2022.01.01) |
| Apr 16, 2022 | 5.27% (0.05274) | 88.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.79% (0.04794) | 88.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.79% (0.04794) | 74.58th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.76% (0.08756) | 86.41th | v1 |
| Jan 6, 2022 | 8.76% (0.08756) | 86.25th | v1 |
| Sep 1, 2021 | 8.76% (0.08756) | 93.70th | v1 |
| Apr 14, 2021 | 8.76% (0.08756) | 0.00th | v1 |
Weaknesses (1)
References (6)
- http://www.securityfocus.com/bid/104655 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041268 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-qg3g-2mgh-33j8 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-8319
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319 x_refsource_CONFIRMPatchVendor Advisory
- https://www.npmjs.com/advisories/1112
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104655 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041268 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-qg3g-2mgh-33j8 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-8319 | ||
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.npmjs.com/advisories/1112 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Jul 11, 2018
Updated Aug 5, 2024
Reserved Mar 14, 2018
Link CVE-2018-8319
CISA Vulnrichment
GHSA-QG3G-2MGH-33J8 Updated n/a