Security readout for executives and security teams
Plain-English summary
This CVE affects certain Windows builds of Acronis Cyber Protect 15 and Acronis Agent. A local attacker could potentially gain higher privileges through DLL hijacking. The issue matters most on endpoints where untrusted users or already-compromised processes can run locally.
Executive priority
Treat this as a practical endpoint hardening item, not a confirmed emergency. Patch affected Windows Acronis deployments promptly, especially where local user access or malware footholds are plausible.
Technical view
Acronis Cyber Protect 15 for Windows before build 27009 and Acronis Agent for Windows before build 26226 allowed local privilege escalation via DLL hijacking. The provided sources do not include CVSS, CWE, attack complexity details, or a public exploit confirmation.
Likely exposure
Exposure is limited to Windows systems running the affected Acronis products below the stated fixed builds. Remote-only exposure is not supported by the provided sources; the described path is local privilege escalation.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation would require local access or an existing foothold, based on the vulnerability description.
Researcher notes
The public bundle identifies product builds and vulnerability class but omits CVSS, CWE, detailed prerequisites, and exploit status. Avoid assuming broader Acronis products or remote exploitation without additional vendor evidence.
Mitigation direction
- Update Acronis Cyber Protect 15 for Windows to build 27009 or later.
- Update Acronis Agent for Windows to build 26226 or later.
- Review the Acronis advisory for any product-specific upgrade guidance.
- Prioritize endpoints shared by many users or exposed to untrusted workloads.
Validation and detection
- Inventory Windows endpoints running Acronis Cyber Protect 15 or Acronis Agent.
- Check installed build numbers against 27009 and 26226 thresholds.
- Confirm updated endpoints report healthy agent status after upgrade.
- Review vendor advisory details before closing the remediation record.
Public sources used
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-38086 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.acronis.com/content/68564CVE 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.