Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow an attacker to execute code remotely on a target system when the Windows font library fails to properly handle specially crafted embedded fonts, aka "Express Compressed Fonts Remote Code Execution Vulnerability."
Published Aug 8, 2017
8.8
HIGHCVSS 3.0
EPSS 19.77%
Description
Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow an attacker to execute code remotely on a target system when the Windows font library fails to properly handle specially crafted embedded fonts, aka "Express Compressed Fonts Remote Code Execution Vulnerability."
Affected products
-
- Version Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft Corporation | Windows Kernel-Mode Drivers | n/a |
|
- 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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (31 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 19.77% (0.19765) | 97.33th | v5 (v2026.06.15) |
| Sep 22, 2026 | 19.77% (0.19765) | 97.29th | v5 (v2026.06.15) |
| Sep 21, 2026 | 18.01% (0.18012) | 97.13th | v5 (v2026.06.15) |
| Sep 6, 2026 | 19.77% (0.19765) | 97.23th | v5 (v2026.06.15) |
| Sep 5, 2026 | 18.01% (0.18012) | 97.06th | v5 (v2026.06.15) |
| Aug 30, 2026 | 19.77% (0.19765) | 97.21th | v5 (v2026.06.15) |
| Aug 28, 2026 | 18.01% (0.18012) | 97.05th | v5 (v2026.06.15) |
| Aug 24, 2026 | 19.77% (0.19765) | 97.20th | v5 (v2026.06.15) |
| Aug 23, 2026 | 18.01% (0.18012) | 97.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.77% (0.19765) | 97.06th | v5 (v2026.06.15) |
| Mar 30, 2025 | 41.22% (0.41218) | 97.12th | v4 (v2025.03.14) |
| Mar 29, 2025 | 62.31% (0.62315) | 97.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 41.22% (0.41218) | 97.08th | v4 (v2025.03.14) |
| Dec 17, 2024 | 79.35% (0.79350) | 98.50th | v3 (v2023.03.01) |
| Jul 11, 2024 | 12.25% (0.12251) | 95.45th | v3 (v2023.03.01) |
| May 29, 2024 | 13.93% (0.13925) | 95.67th | v3 (v2023.03.01) |
| Apr 20, 2024 | 13.98% (0.13976) | 95.59th | v3 (v2023.03.01) |
| Dec 24, 2023 | 14.36% (0.14361) | 95.21th | v3 (v2023.03.01) |
| Jul 19, 2023 | 13.83% (0.13831) | 94.91th | v3 (v2023.03.01) |
| Jun 18, 2023 | 15.66% (0.15658) | 95.12th | v3 (v2023.03.01) |
| May 24, 2023 | 19.34% (0.19342) | 95.54th | v3 (v2023.03.01) |
| Apr 24, 2023 | 21.72% (0.21719) | 95.72th | v3 (v2023.03.01) |
| Mar 28, 2023 | 21.46% (0.21456) | 95.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 19.47% (0.19468) | 95.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 47.83% (0.47829) | 98.59th | v2 (v2022.01.01) |
| May 5, 2022 | 47.83% (0.47829) | 98.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 42.81% (0.42807) | 97.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 21.04% (0.21041) | 94.24th | v1 |
| Jan 6, 2022 | 21.04% (0.21041) | 94.18th | v1 |
| Sep 1, 2021 | 21.04% (0.21041) | 97.94th | v1 |
| Apr 14, 2021 | 21.04% (0.21041) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/100090 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039096 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://fortiguard.com/zeroday/FG-VD-17-142 x_refsource_MISC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8691 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100090 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039096 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://fortiguard.com/zeroday/FG-VD-17-142 | x_refsource_MISC | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8691 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.