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CVE-2015-8026

27
FAUCET Score

CVE-2015-8026 describes a heap-based buffer overflow in the exfatfsck utility within exfat-utils versions prior to 1.2.1. This vulnerability, rated 7.8 HIGH, allows a remote attacker to cause a denial of service (infinite loop) or potentially execute arbitrary code by tricking a user into processing a specially crafted exFAT filesystem. While the CVSS score indicates high severity with potential for significant impact (confidentiality, integrity, and availability), there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.0CPE matchmatch criteria
cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
4.45%
Probability of exploitation in next 30 days
EPSS Percentile
90.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0445 is in the 91st percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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

Patch Available

Vendor Patches (2)

gentoopatch availablevia nvd_reference
View patch
github_advisorypatch availablevia nvd_reference
View patch

References

blog.fuzzing-project.org / 25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html
Third Party Advisory
github.com / relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786
Issue TrackingPatchThird Party Advisory
github.com / relan/exfat/issues/5
Issue TrackingPatchThird Party Advisory
security.gentoo.org / glsa/201612-31
PatchThird Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2015/10/29/13
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/77307
Third Party AdvisoryVDB Entry