A buffer overflow in Macrium Reflect 8.1.7544 and below allows attackers to escalate…
Priority HIGH 69CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer overflow in Macrium Reflect 8.1.7544 and below allows attackers to escalate privileges or execute arbitrary code.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00356 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43896
- 2026-10-03 Alias added: GHSA-f93q-g4rm-44cc
References
More Macrium Reflect vulnerabilities
- TI-2020-08196 Improper access control in Macrium Reflect CVSS 3.1HIGH 7.8
Sources
- CVE-2023-43896 · CVE Program
- CVE-2023-43896 · NVD
- FIRST EPSS
- GHSA-f93q-g4rm-44cc · GitHub Advisory Database · CC BY 4.0
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