The DNS server in Microsoft Windows Server 2008 SP2, R2, and R2 SP1 does not properly handle NAPTR queries that trigger recursive processing, which allows remote attackers to execute arbitrary code via a crafted query, aka "DNS NAPTR Query Vulnerability."
Published Aug 10, 2011
10.0
HIGHCVSS 2.0
EPSS 55.20%
Description
The DNS server in Microsoft Windows Server 2008 SP2, R2, and R2 SP1 does not properly handle NAPTR queries that trigger recursive processing, which allows remote attackers to execute arbitrary code via a crafted query, aka "DNS NAPTR Query Vulnerability."
Affected products
No data.
- n/a
- n/a
- r2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 55.20% (0.55203) | 99.00th | v5 (v2026.06.15) |
| Jun 15, 2026 | 55.20% (0.55203) | 98.90th | v5 (v2026.06.15) |
| Oct 18, 2025 | 57.66% (0.57665) | 98.04th | v4 (v2025.03.14) |
| Apr 23, 2025 | 65.82% (0.65816) | 98.36th | v4 (v2025.03.14) |
| Mar 30, 2025 | 64.12% (0.64119) | 98.29th | v4 (v2025.03.14) |
| Mar 29, 2025 | 73.24% (0.73244) | 98.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 64.48% (0.64479) | 98.29th | v4 (v2025.03.14) |
| Dec 17, 2024 | 96.19% (0.96188) | 99.66th | v3 (v2023.03.01) |
| Dec 12, 2024 | 94.57% (0.94566) | 99.34th | v3 (v2023.03.01) |
| May 19, 2024 | 94.99% (0.94986) | 99.30th | v3 (v2023.03.01) |
| Mar 30, 2024 | 94.56% (0.94564) | 99.19th | v3 (v2023.03.01) |
| Feb 8, 2024 | 93.10% (0.93096) | 98.96th | v3 (v2023.03.01) |
| Dec 17, 2023 | 91.26% (0.91256) | 98.62th | v3 (v2023.03.01) |
| Aug 29, 2023 | 91.87% (0.91866) | 98.53th | v3 (v2023.03.01) |
| Mar 10, 2023 | 91.76% (0.91759) | 98.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 92.68% (0.92681) | 98.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 49.72% (0.49719) | 98.71th | v2 (v2022.01.01) |
| Feb 4, 2022 | 49.72% (0.49719) | 98.28th | v2 (v2022.01.01) |
References (3)
- http://www.us-cert.gov/cas/techalerts/TA11-221A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-058 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12764 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/cas/techalerts/TA11-221A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-058 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12764 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.