Security readout for executives and security teams
CVE-2021-26414 is a Microsoft Windows DCOM Server security feature bypass. It is rated medium because exploitation requires a low-privileged attacker, user interaction, and high attack complexity, but successful exploitation could significantly affect integrity. Treat it as a patch-management priority for affected Windows endpoints and servers, not an emergency without exploitation evidence. Organizations with affected Windows 7, 8.1, 10, 11, Server 2008/2008 R2, 2016, 2019, or 2022 systems may be exposed, especially where patch coverage is incomplete. Moderate priority. Patch through normal vulnerability management, with elevated attention for servers and legacy Windows. Escalate only if internal exposure, business-critical systems, or new exploitation evidence appears. Mitigation focus: Apply Microsoft security updates for CVE-2021-26414 on affected Windows systems.; Prioritize servers, Server Core installs, and endpoints with incomplete patch history.; Check Microsoft guidance for any version-specific remediation requirements..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2021-26414 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C1.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.8MediumVector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26414CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.