Vulnerability Details : CVE-2021-38646
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Vulnerability category: OverflowMemory CorruptionExecute code
CVE-2021-38646
is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution.
Added on
2022-03-28
Action due date
2022-04-18
Exploit prediction scoring system (EPSS) score for CVE-2021-38646
Probability of exploitation activity in the next 30 days: 1.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 82 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-38646
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
[email protected] |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
[email protected] |
CWE ids for CVE-2021-38646
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: [email protected] (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: [email protected] (Primary)
References for CVE-2021-38646
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38646
Patch;Vendor Advisory
Products affected by CVE-2021-38646
- cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
- cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:2016:*:-:*:-:*:-:*
- cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*