CVE-2016-7262

Microsoft Excel: Office Security Feature Bypass

As of , CVE-2016-7262 in Microsoft Excel is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 3 March 2022
US federal deadline
24 March 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.58Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.25 on 3 March 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

A security feature bypass vulnerability exists when Microsoft Office improperly handles input. An attacker who successfully exploited the vulnerability could execute arbitrary commands.

CISA's description

Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Office Compatibility Pack SP3, and Excel Viewer allow user-assisted remote attackers to execute arbitrary commands via a crafted cell that is mishandled upon a click, aka "Microsoft Office Security Feature Bypass Vulnerability."

The CVE record's description, from microsoft

CVE published
20 December 2016
Assigned by
microsoft
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-20
Improper Input Validation
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Excel: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2009-3129Featheader Record Memory CorruptionMicrosoft ExcelPatch this weekMetasploit module; EPSS 0.84; verified Exploit-DB entry0.84
CVE-2019-1297Remote Code ExecutionMicrosoft ExcelPatch soon0.22

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