CVE-2011-0663 in the critical feed json
Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote att…
published 2011-04-13 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0681
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.2%
- EPSS 26.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
26.22% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2011/ms11-031
vendor-advisory
-
vupen.com
/english/advisories/2011/0949
vdb-entry
-
osvdb.org
/71774
vdb-entry
-
us-cert.gov
/cas/techalerts/TA11-102A.html
third-party-advisory, us-government-resource
-
securitytracker.com
/id?1025333
vdb-entry
-
securityfocus.com
/bid/47249
vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12673
vdb-entry, signature
-
secunia.com
/advisories/44162
third-party-advisory
Sources
- CVE List CVE-2011-0663
- NVD CVE-2011-0663
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.