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CVE-2011-1983

37
FAUCET Score

CVE-2011-1983 is a critical use-after-free vulnerability affecting Microsoft Office 2007, 2010, and Office for Mac 2011. This flaw allows remote attackers to execute arbitrary code by enticing a user to open a specially crafted Word document. With a CVSS score of 9.3, it presents a severe risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high FAUCET Risk Score of 98/100 and high EPSS percentile, there is no evidence of active exploitation, no known exploit code in Metasploit or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2007CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2007:sp2:*:*:*:*:*:*
2007CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2010:*:x32:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2010:*:x64:*:*:*:*:*
2010CPE matchmatch criteria
cpe:2.3:a:microsoft:office:2010:sp1:x32:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
22.72%
Probability of exploitation in next 30 days
EPSS Percentile
97.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.2272 is in the 89th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2011/ms11-089
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14197
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14558
securitytracker.com / id
us-cert.gov / cas/techalerts/TA11-347A.html
US Government Resource