Buffer overflow in Microsoft Windows

CVE-2016-0749

The smartcard interaction in SPICE allows remote attackers to cause a denial of service (QEMU-KVM process crash) or possibly execute arbitrary code via vectors related to connecting to a guest VM, which triggers a heap-based buffer overflo…

Vulnerability class: Buffer Overflow

EPSS: 0.160 (94.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-0749?
CVE-2016-0749 is a critical-severity vulnerability in Microsoft Windows, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-06-09.
How severe is CVE-2016-0749?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-0749 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.