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CVE-2016-5138

27
FAUCET Score

CVE-2016-5138 is an integer overflow vulnerability in Google Chrome, specifically within the kbasep_vinstr_attach_client function. This flaw allows remote attackers to trigger a denial of service, heap-based buffer overflow, and use-after-free by exploiting an unrestricted multiplication. Rated 8.8 HIGH on the CVSS scale, it presents a critical risk with high impact on confidentiality, integrity, and availability, requiring user interaction for exploitation. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 52.0.2743.82CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0117 is in the 63rd percentile among its peer group of 14,852 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 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

googlechromereleases.blogspot.com / 2016/07/stable-channel-update-for-chrome-os_26.html
bugs.chromium.org / p/chromium/issues/detail
chromium.googlesource.com / chromiumos/third_party/kernel/+/d65f7c158dabbb5b9e89723aceb30e874c2d748a
security.gentoo.org / glsa/201610-09
securityfocus.com / bid/92139
securitytracker.com / id/1036484