CVE-2016-3261

Microsoft Internet Explorer 11 allows remote attackers to obtain sensitive information via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability."

Published: 2016-07-13 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-3261 is rated Moderate Risk (60.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 36.67%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +20.02% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-3261

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-18 16.64% 36.67% +20.02%
2 2026-01-29 20.20% 16.64% -3.56%
3 2025-03-30 — 20.20% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-3261

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.6 3.6 [email protected]
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 4.9 2.9 [email protected]

Weakness enumeration for CVE-2016-3261

Affected software / configurations for CVE-2016-3261

Vendor Product Version Raw CPE
microsoft internet_explorer 11 cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*

References for CVE-2016-3261

cvelogic Threat Intelligence