VulnerabilityAnalyzed
CVE-2017-11882
Microsoft Office Memory Corruption Vulnerability
KEVHIGH 7.8EPSS 99.9%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11884.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 99.94% probability · 100th percentile
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
- Weakness
- CWE-119
- Affected
- microsoft/office
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-11882
References
- http://reversingminds-blog.logdown.com/posts/3907313-fileless-attack-in-word-without-macros-cve-2017-11882Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101757Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039783Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/11/did-microsoft-just-manually-patch-their.htmlExploit, Third Party Advisory
- https://0patch.blogspot.com/2017/11/official-patch-for-cve-2017-11882-meets.htmlExploit, Patch, Third Party Advisory
- https://github.com/0x09AL/CVE-2017-11882-metasploitExploit, Third Party Advisory
- https://github.com/embedi/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/rxwx/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/unamer/CVE-2017-11882Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11882Patch, Vendor Advisory
- https://researchcenter.paloaltonetworks.com/2017/12/unit42-analysis-of-cve-2017-11882-exploit-in-the-wild/Exploit, Third Party Advisory
- https://web.archive.org/web/20181104111128/https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about/Exploit, Mitigation, Third Party Advisory
- https://www.exploit-db.com/exploits/43163/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/421280Third Party Advisory, US Government Resource
- http://reversingminds-blog.logdown.com/posts/3907313-fileless-attack-in-word-without-macros-cve-2017-11882Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/101757Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039783Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/11/did-microsoft-just-manually-patch-their.htmlExploit, Third Party Advisory
- https://0patch.blogspot.com/2017/11/official-patch-for-cve-2017-11882-meets.htmlExploit, Patch, Third Party Advisory
- https://github.com/0x09AL/CVE-2017-11882-metasploitExploit, Third Party Advisory
- https://github.com/embedi/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/rxwx/CVE-2017-11882Exploit, Third Party Advisory
- https://github.com/unamer/CVE-2017-11882Exploit, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11882Patch, Vendor Advisory
- https://researchcenter.paloaltonetworks.com/2017/12/unit42-analysis-of-cve-2017-11882-exploit-in-the-wild/Exploit, Third Party Advisory
- https://web.archive.org/web/20181104111128/https://embedi.com/blog/skeleton-closet-ms-office-vulnerability-you-didnt-know-about/Exploit, Mitigation, Third Party Advisory
- https://www.exploit-db.com/exploits/43163/Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/421280Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11882US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.