Vulnerability Details : CVE-2021-26411
Internet Explorer Memory Corruption Vulnerability
Vulnerability category: Memory Corruption
CVE-2021-26411
is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Internet Explorer Memory Corruption Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Internet Explorer contains an unspecified vulnerability which allows for memory corruption.
Added on
2021-11-03
Action due date
2021-11-17
Exploit prediction scoring system (EPSS) score for CVE-2021-26411
Probability of exploitation activity in the next 30 days: 96.01%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 99 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-26411
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.1
|
MEDIUM | AV:N/AC:H/Au:N/C:P/I:P/A:P |
4.9
|
6.4
|
[email protected] |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
[email protected] |
CWE ids for CVE-2021-26411
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: [email protected] (Primary)
References for CVE-2021-26411
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26411
Patch;Vendor Advisory
Products affected by CVE-2021-26411
- cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
- cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*