CVE-2015-1641

Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 SP1, and Office Web Apps Server 2010 SP2 and 2013 SP1 allow remote attackers to execute arbitrary code via a crafted RTF document, aka "Microsoft Office Memory Corruption Vulnerability."

Exploited in the wild: Yesadded 2021-11-03 · due 2022-05-03. An observation, not a forecast.
EPSS · 30-day forecast: 97%Chance of exploitation in the next 30 days, 100th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Internet exposure: not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

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On the wire

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Tied by cited sources to

APT28
1. “CVE-2015-1641: Microsoft Office Memory Corruption Vulnerability”
  cited as exploiting · named nearby · source: us-cert.gov ↗ · 2026-10-17
QUILTED TIGER
1. “CVE-2015-1641 has been observed as being exploited to drop BADNEWS.”
  cited as used in a campaign · named nearby · source: forcepoint.com ↗ · 2026-10-17
FIN7
1. “CVE-2015-1770 CVE-2015-1641”
  cited as exploiting · named nearby · source: crowdstrike.com ↗ · 2026-10-17
APT41
1. “APT41 leveraged the follow exploits in their operations: CVE-2012-0158, CVE-2015-1641, CVE-2017-0199, CVE-2017-11882, and CVE-2019-3396.”
  cited as exploiting · source: attack.mitre.org ↗ · 2026-10-17
Confucius
1. “Confucius has exploited Microsoft Office vulnerabilities, including CVE-2015-1641, CVE-2017-11882, and CVE-2018-0802.”
  cited as exploiting · source: attack.mitre.org ↗ · 2026-10-17
2. “Confucius’ backdoors are delivered through Office files exploiting memory corruption vulnerabilities CVE-2015-1641 and CVE-2017-11882 .”
  cited as exploiting · source: trendmicro.com ↗ · 2026-10-17
ModifiedElephant
1. “Observed lure documents repeatedly made use of CVE-2012-0158 , CVE-2014-1761 , CVE-2013-3906 , CVE-2015-1641 exploits to drop and execute their malware of choice.”
  cited as exploiting · named nearby · source: sentinelone.com ↗ · 2026-10-17
DragonOK
1. “Sysget malware was delivered both directly via phishing emails, as well as in Rich Text Format (RTF) documents exploiting the CVE-2015-1641 vulnerability (patched in MS15-033 ) that in turn leveraged a very unique shellcode.”
  cited as exploiting · named nearby · source: unit42.paloaltonetworks.com ↗ · 2026-10-17

Each actor is cited by the quoted source, linked under the quote. A citation is that source's claim, not our confirmation.

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