CVE-2026-77797
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.
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
What each source reports
CVE List Score used
3.6
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
3.6
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
3.6
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
3.6
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
3.6
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
Affected products
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.
In short
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.
References
docs.velociraptor.app/announcements/advisories/cve-2026-7797
github.com/Velocidex/go-prefetch/commit/4bae9796298011598d577b125e0b3db3ee03eb74
nvd.nist.gov/vuln/detail/CVE-2026-77797
github.com/advisories/GHSA-4f8c-84gc-p8pv
github.com/Velocidex/velociraptor
github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77797.json