The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted replace operation with a JavaScript regular expression, aka "Scripting Engine Memory Corruption Vulnerability."
Published Oct 14, 2015
9.3
HIGHCVSS 2.0
EPSS 32.29%
Description
The Microsoft (1) VBScript 5.7 and 5.8 and (2) JScript 5.7 and 5.8 engines, as used in Internet Explorer 8 through 11 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted replace operation with a JavaScript regular expression, aka "Scripting Engine Memory Corruption Vulnerability."
Affected products
No data.
Running on/with
- 8
- 9
- 10
- 11
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 32.29% (0.32285) | 98.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 32.29% (0.32285) | 98.09th | v5 (v2026.06.15) |
| Jun 21, 2025 | 64.10% (0.64097) | 98.30th | v4 (v2025.03.14) |
| Mar 30, 2025 | 56.16% (0.56160) | 97.91th | v4 (v2025.03.14) |
| Mar 29, 2025 | 74.41% (0.74407) | 98.49th | v4 (v2025.03.14) |
| Mar 17, 2025 | 56.16% (0.56160) | 97.88th | v4 (v2025.03.14) |
| Dec 17, 2024 | 89.23% (0.89229) | 98.99th | v3 (v2023.03.01) |
| Dec 12, 2024 | 94.67% (0.94672) | 99.35th | v3 (v2023.03.01) |
| Jun 20, 2024 | 94.17% (0.94167) | 99.18th | v3 (v2023.03.01) |
| Nov 12, 2023 | 94.05% (0.94050) | 98.93th | v3 (v2023.03.01) |
| May 31, 2023 | 94.22% (0.94215) | 98.75th | v3 (v2023.03.01) |
| Apr 27, 2023 | 94.30% (0.94303) | 98.72th | v3 (v2023.03.01) |
| Mar 25, 2023 | 95.35% (0.95354) | 98.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.05% (0.96048) | 99.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 79.48% (0.79481) | 99.48th | v2 (v2022.01.01) |
| Apr 15, 2022 | 79.48% (0.79481) | 99.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 83.10% (0.83098) | 99.51th | v2 (v2022.01.01) |
References (6)
- http://seclists.org/fulldisclosure/2015/Oct/54 mailing-listx_refsource_FULLDISCThird Party Advisory
- http://www.securitytracker.com/id/1033800 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-15-515 x_refsource_MISCThird Party AdvisoryVDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-106 vendor-advisoryx_refsource_MS
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-108 vendor-advisoryx_refsource_MS
- https://www.exploit-db.com/exploits/40798/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2015/Oct/54 | mailing-listx_refsource_FULLDISCThird Party Advisory | |
| http://www.securitytracker.com/id/1033800 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| http://www.zerodayinitiative.com/advisories/ZDI-15-515 | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-106 | vendor-advisoryx_refsource_MS | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-108 | vendor-advisoryx_refsource_MS | |
| https://www.exploit-db.com/exploits/40798/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.