SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2015-1770

Microsoft Office Uninitialized Memory Use Vulnerability

KEVHIGH 8.8EPSS 35.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Microsoft Office 2013 SP1 and 2013 RT SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Uninitialized Memory Use Vulnerability."

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
35.10% probability · 98th percentile
CISA KEV
Listed 28 March 2022 · due 18 April 2022
Weakness
CWE-824
Affected
microsoft/office
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2015-1770

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.