CVE-2026-77797
Velociraptor Prefetch parser out of bounds
CVE-2026-77797 is a low vulnerability (CVSS 3.6) in Rapid7 Velociraptor, published September 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 1st percentile. No source names a fixed version.
- Severity
- 3.6 LowCVSS 3.1, CVE List
- Exploit chance
- 0.10%EPSS, 1st percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Velociraptor Prefetch parser out of bounds
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
- Record
CVE-2026-77797- CVSS 3.1
- 3.6 Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2026-85881
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
- Record
EUVD-2026-85881- CVSS 3.1
- 3.6 Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4f8c-84gc-p8pv
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash...
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
- Record
GHSA-4f8c-84gc-p8pv- CVSS 3.1
- 3.6 Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
- Record
CVE-2026-77797- CVSS 3.1
- 3.6 Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
OSV
Velociraptor Prefetch parser out of bounds
Velociraptor's prefetch library contains an out of bound vulnerability which may cause a crash when parsing certain malformed prefetch files.
- Record
CVE-2026-77797- CVSS 3.1
- 3.6 Low
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N - Weakness
- CWE-125, CWE-20
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
docs.velociraptor.app/announcements/advisories/cve-2026-7797
github.com/Velocidex/go-prefetch/commit/4bae9796298011598d577b125e0b3db3ee03eb74
nvd.nist.gov/vuln/detail/CVE-2026-77797