CVE-2013-0086

Sharepoint Foundation vulnerability

CVSS

5.0

EPSS

24.0%

EPSS pct

98th

Exploited

No known

Microsoft OneNote 2010 SP1 does not properly determine buffer sizes during memory allocation, which allows remote attackers to obtain sensitive information via a crafted OneNote file, aka "Buffer Size Validation Vulnerability."

Affected vendor

Microsoft

Affected product

Sharepoint Foundation

CVSS vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2013-03-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 24.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2013-0086

Confirm whether Microsoft Sharepoint Foundation is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-0086.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-0086

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-0086 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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