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CVE-2023-43896

27
FAUCET Score

CVE-2023-43896 describes a buffer overflow vulnerability in Macrium Reflect versions 8.1.7544 and earlier. This flaw allows a local attacker to achieve privilege escalation or execute arbitrary code on affected systems. With a CVSS score of 7.8 (HIGH), exploitation is considered low complexity, requiring local access and user privileges, and can lead to high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules or proof-of-concept code, though it has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
8.1.7544CPE matchmatch criteria
cpe:2.3:a:macrium:reflect:8.1.7544:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 66th percentile among its peer group of 16,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

knowledgebase.macrium.com / display/KNOW80/CVE-2023-43896+Advisory
northwave-cybersecurity.com / vulnerability-notice/macrium-reflect-driver-out-of-bounds-write
ExploitThird Party Advisory