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CVE-2011-1263

24
FAUCET Score

CVE-2011-1263 is a cross-site scripting (XSS) vulnerability affecting the logon page of Remote Desktop Web Access (RD Web Access) in Microsoft Windows Server 2008 R2 and R2 SP1. An attacker can exploit this by injecting arbitrary web script or HTML via the URI. With a CVSS score of 4.3, this vulnerability is of medium complexity to exploit over the network, requiring user interaction, and primarily impacts integrity by allowing script injection. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
r2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
15.24%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1524 is in the 97th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 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 0.0 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/ms11-061
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12792
us-cert.gov / cas/techalerts/TA11-221A.html
US Government Resource